Merge remote-tracking branch 'origin/develop' into scrolltotop

* origin/develop: (47 commits)
  Update dependency eslint-plugin-vue to v9.4.0
  Update dependency opn to v5
  fix notices being under the navbar, also change offset to use variable
  fix modals not having proper z index
  reduce indexes to be below 9999 so that develop error messages appear above
  Fix react & extra buttons not styled on tab-focus
  Fix popover not popping up
  Fix styling on Safari
  Use :focus-visible instead of :focus for focus markers
  Optimize Reply badge position
  Add badges to status interacting buttons
  Update dependency nightwatch to v2
  Update dependency eslint-plugin-n to v15.2.5
  Update dependency mocha to v10
  Update dependency karma-coverage to v2
  Update dependency sass to v1.54.5
  Update dependency karma-firefox-launcher to v2
  Update dependency vue-template-compiler to v2.7.9
  Pin dependencies
  Refresh yarn.lock
  ...

38 files changed, 647 insertions, 106 deletions

diff --git a/src/App.js b/src/App.js
index f5bd7e2e..d1ad16d5 100644
--- a/src/App.js
+++ b/src/App.js
@@ -60,6 +60,13 @@ export default {
         '-' + this.layoutType
       ]
     },
+    navClasses () {
+      const { navbarColumnStretch } = this.$store.getters.mergedConfig
+      return [
+        '-' + this.layoutType,
+        ...(navbarColumnStretch ? ['-column-stretch'] : [])
+      ]
+    },
     currentUser () { return this.$store.state.users.currentUser },
     userBackground () { return this.currentUser.background_image },
     instanceBackground () {
diff --git a/src/App.scss b/src/App.scss
index ab025d63..dec187af 100644
--- a/src/App.scss
+++ b/src/App.scss
@@ -5,12 +5,12 @@
   --navbar-height: 3.5rem;
   --post-line-height: 1.4;
   // Z-Index stuff
-  --ZI_media_modal: 90000;
-  --ZI_modals_popovers: 85000;
-  --ZI_modals: 80000;
-  --ZI_navbar_popovers: 75000;
-  --ZI_navbar: 70000;
-  --ZI_popovers: 60000;
+  --ZI_media_modal: 9000;
+  --ZI_modals_popovers: 8500;
+  --ZI_modals: 8000;
+  --ZI_navbar_popovers: 7500;
+  --ZI_navbar: 7000;
+  --ZI_popovers: 6000;
 }
 
 html {
@@ -141,6 +141,11 @@ nav {
   grid-area: sidebar;
 }
 
+#modal {
+  position: absolute;
+  z-index: var(--ZI_modals);
+}
+
 .column.-scrollable {
   top: var(--navbar-height);
   position: sticky;
@@ -182,13 +187,18 @@ nav {
 
 .app-layout {
   --miniColumn: 25rem;
-  --maxiColumn: minmax(var(--miniColumn), 45rem);
+  --maxiColumn: 45rem;
   --columnGap: 1em;
   --status-margin: 0.75em;
+  --effectiveSidebarColumnWidth: minmax(var(--miniColumn), var(--sidebarColumnWidth, var(--miniColumn)));
+  --effectiveNotifsColumnWidth: minmax(var(--miniColumn), var(--notifsColumnWidth, var(--miniColumn)));
+  --effectiveContentColumnWidth: minmax(var(--miniColumn), var(--contentColumnWidth, var(--maxiColumn)));
 
   position: relative;
   display: grid;
-  grid-template-columns: var(--miniColumn) var(--maxiColumn);
+  grid-template-columns:
+    var(--effectiveSidebarColumnWidth)
+    var(--effectiveContentColumnWidth);
   grid-template-areas: "sidebar content";
   grid-template-rows: 1fr;
   box-sizing: border-box;
@@ -282,15 +292,24 @@ nav {
   }
 
   &.-reverse:not(.-wide):not(.-mobile) {
-    grid-template-columns: var(--maxiColumn) var(--miniColumn);
+    grid-template-columns:
+      var(--effectiveContentColumnWidth)
+      var(--effectiveSidebarColumnWidth);
     grid-template-areas: "content sidebar";
   }
 
   &.-wide {
-    grid-template-columns: var(--miniColumn) var(--maxiColumn) var(--miniColumn);
+    grid-template-columns:
+      var(--effectiveSidebarColumnWidth)
+      var(--effectiveContentColumnWidth)
+      var(--effectiveNotifsColumnWidth);
     grid-template-areas: "sidebar content notifs";
 
     &.-reverse {
+      grid-template-columns:
+        var(--effectiveNotifsColumnWidth)
+        var(--effectiveContentColumnWidth)
+        var(--effectiveSidebarColumnWidth);
       grid-template-areas: "notifs content sidebar";
     }
   }
@@ -752,7 +771,7 @@ option {
 }
 
 .fa-old-padding {
-  &.svg-inline--fa {
+  &.svg-inline--fa, &-layer {
     padding: 0 0.3em;
   }
 }
diff --git a/src/App.vue b/src/App.vue
index c741aa70..1f96efe8 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -8,7 +8,10 @@
       class="app-bg-wrapper"
     />
     <MobileNav v-if="layoutType === 'mobile'" />
-    <DesktopNav v-else />
+    <DesktopNav
+      v-else
+      :class="navClasses"
+    />
     <Notifications v-if="currentUser" />
     <div
       id="content"
diff --git a/src/_mixins.scss b/src/_mixins.scss
new file mode 100644
index 00000000..1fed16c3
--- /dev/null
+++ b/src/_mixins.scss
@@ -0,0 +1,17 @@
+@mixin unfocused-style {
+  @content;
+
+  &:focus:not(:focus-visible):not(:hover) {
+    @content;
+  }
+}
+
+@mixin focused-style {
+  &:hover, &:focus {
+    @content;
+  }
+
+  &:focus-visible {
+    @content;
+  }
+}
diff --git a/src/boot/after_store.js b/src/boot/after_store.js
index 908d905a..38b5f38e 100644
--- a/src/boot/after_store.js
+++ b/src/boot/after_store.js
@@ -12,7 +12,7 @@ import { windowWidth, windowHeight } from '../services/window_utils/window_utils
 import { getOrCreateApp, getClientToken } from '../services/new_api/oauth.js'
 import backendInteractorService from '../services/backend_interactor_service/backend_interactor_service.js'
 import { CURRENT_VERSION } from '../services/theme_data/theme_data.service.js'
-import { applyTheme } from '../services/style_setter/style_setter.js'
+import { applyTheme, applyConfig } from '../services/style_setter/style_setter.js'
 import FaviconService from '../services/favicon_service/favicon_service.js'
 
 let staticInitialResults = null
@@ -360,6 +360,8 @@ const afterStoreSetup = async ({ store, i18n }) => {
     console.error('Failed to load any theme!')
   }
 
+  applyConfig(store.state.config)
+
   // Now we can try getting the server settings and logging in
   // Most of these are preloaded into the index.html so blocking is minimized
   await Promise.all([
diff --git a/src/boot/routes.js b/src/boot/routes.js
index 95e47199..91588af2 100644
--- a/src/boot/routes.js
+++ b/src/boot/routes.js
@@ -61,7 +61,7 @@ export default (store) => {
       component: RemoteUserResolver,
       beforeEnter: validateAuthenticatedRoute
     },
-    { name: 'external-user-profile', path: '/users/:id', component: UserProfile },
+    { name: 'external-user-profile', path: '/users/$:id', component: UserProfile },
     { name: 'interactions', path: '/users/:username/interactions', component: Interactions, beforeEnter: validateAuthenticatedRoute },
     { name: 'dms', path: '/users/:username/dms', component: DMs, beforeEnter: validateAuthenticatedRoute },
     { name: 'registration', path: '/registration', component: Registration },
@@ -75,7 +75,8 @@ export default (store) => {
     { name: 'search', path: '/search', component: Search, props: (route) => ({ query: route.query.query }) },
     { name: 'who-to-follow', path: '/who-to-follow', component: WhoToFollow, beforeEnter: validateAuthenticatedRoute },
     { name: 'about', path: '/about', component: About },
-    { name: 'user-profile', path: '/:_(users)?/:name', component: UserProfile },
+    { name: 'user-profile', path: '/users/:name', component: UserProfile },
+    { name: 'legacy-user-profile', path: '/:name', component: UserProfile },
     { name: 'lists', path: '/lists', component: Lists },
     { name: 'lists-timeline', path: '/lists/:id', component: ListsTimeline },
     { name: 'lists-edit', path: '/lists/:id/edit', component: ListsEdit }
diff --git a/src/components/desktop_nav/desktop_nav.scss b/src/components/desktop_nav/desktop_nav.scss
index 71202244..f6c7c43d 100644
--- a/src/components/desktop_nav/desktop_nav.scss
+++ b/src/components/desktop_nav/desktop_nav.scss
@@ -23,6 +23,26 @@
     max-width: 980px;
   }
 
+  &.-column-stretch .inner-nav {
+    --miniColumn: 25rem;
+    --maxiColumn: 45rem;
+    --columnGap: 1em;
+    max-width: calc(
+      var(--sidebarColumnWidth, var(--miniColumn)) +
+      var(--contentColumnWidth, var(--maxiColumn)) +
+      var(--columnGap)
+    );
+  }
+
+  &.-column-stretch.-wide .inner-nav {
+    max-width: calc(
+      var(--sidebarColumnWidth, var(--miniColumn)) +
+      var(--contentColumnWidth, var(--maxiColumn)) +
+      var(--notifsColumnWidth, var(--miniColumn)) +
+      var(--columnGap)
+    );
+  }
+
   &.-logoLeft .inner-nav {
     grid-template-columns: auto 2fr 2fr;
     grid-template-areas: "logo sitename actions";
diff --git a/src/components/extra_buttons/extra_buttons.js b/src/components/extra_buttons/extra_buttons.js
index 22ffb65a..68fa66ad 100644
--- a/src/components/extra_buttons/extra_buttons.js
+++ b/src/components/extra_buttons/extra_buttons.js
@@ -6,7 +6,9 @@ import {
   faEyeSlash,
   faThumbtack,
   faShareAlt,
-  faExternalLinkAlt
+  faExternalLinkAlt,
+  faPlus,
+  faTimes
 } from '@fortawesome/free-solid-svg-icons'
 import {
   faBookmark as faBookmarkReg,
@@ -21,13 +23,26 @@ library.add(
   faThumbtack,
   faShareAlt,
   faExternalLinkAlt,
-  faFlag
+  faFlag,
+  faPlus,
+  faTimes
 )
 
 const ExtraButtons = {
   props: ['status'],
   components: { Popover },
+  data () {
+    return {
+      expanded: false
+    }
+  },
   methods: {
+    onShow () {
+      this.expanded = true
+    },
+    onClose () {
+      this.expanded = false
+    },
     deleteStatus () {
       const confirmed = window.confirm(this.$t('status.delete_confirm'))
       if (confirmed) {
diff --git a/src/components/extra_buttons/extra_buttons.vue b/src/components/extra_buttons/extra_buttons.vue
index 2c893bf3..011dff9b 100644
--- a/src/components/extra_buttons/extra_buttons.vue
+++ b/src/components/extra_buttons/extra_buttons.vue
@@ -6,6 +6,8 @@
     :offset="{ y: 5 }"
     :bound-to="{ x: 'container' }"
     remove-padding
+    @show="onShow"
+    @close="onClose"
   >
     <template #content="{close}">
       <div class="dropdown-menu">
@@ -122,10 +124,24 @@
     </template>
     <template #trigger>
       <span class="button-unstyled popover-trigger">
-        <FAIcon
-          class="fa-scale-110 fa-old-padding"
-          icon="ellipsis-h"
-        />
+        <FALayers class="fa-old-padding-layer">
+          <FAIcon
+            class="fa-scale-110 "
+            icon="ellipsis-h"
+          />
+          <FAIcon
+            v-show="!expanded"
+            class="focus-marker"
+            transform="shrink-6 up-8 right-16"
+            icon="plus"
+          />
+          <FAIcon
+            v-show="expanded"
+            class="focus-marker"
+            transform="shrink-6 up-8 right-16"
+            icon="times"
+          />
+        </FALayers>
       </span>
     </template>
   </Popover>
@@ -135,6 +151,7 @@
 
 <style lang="scss">
 @import '../../_variables.scss';
+@import '../../_mixins.scss';
 
 .ExtraButtons {
   /* override of popover internal stuff */
@@ -151,6 +168,21 @@
       color: $fallback--text;
       color: var(--text, $fallback--text);
     }
+
+  }
+
+  .popover-trigger-button {
+    @include unfocused-style {
+      .focus-marker {
+        visibility: hidden;
+      }
+    }
+
+    @include focused-style {
+      .focus-marker {
+        visibility: visible;
+      }
+    }
   }
 }
 </style>
diff --git a/src/components/favorite_button/favorite_button.js b/src/components/favorite_button/favorite_button.js
index 5cd05f73..c996cba2 100644
--- a/src/components/favorite_button/favorite_button.js
+++ b/src/components/favorite_button/favorite_button.js
@@ -1,13 +1,21 @@
 import { mapGetters } from 'vuex'
 import { library } from '@fortawesome/fontawesome-svg-core'
-import { faStar } from '@fortawesome/free-solid-svg-icons'
+import {
+  faStar,
+  faPlus,
+  faMinus,
+  faCheck
+} from '@fortawesome/free-solid-svg-icons'
 import {
   faStar as faStarRegular
 } from '@fortawesome/free-regular-svg-icons'
 
 library.add(
   faStar,
-  faStarRegular
+  faStarRegular,
+  faPlus,
+  faMinus,
+  faCheck
 )
 
 const FavoriteButton = {
diff --git a/src/components/favorite_button/favorite_button.vue b/src/components/favorite_button/favorite_button.vue
index d5c4c61e..74a1dfbb 100644
--- a/src/components/favorite_button/favorite_button.vue
+++ b/src/components/favorite_button/favorite_button.vue
@@ -7,11 +7,31 @@
       :title="$t('tool_tip.favorite')"
       @click.prevent="favorite()"
     >
-      <FAIcon
-        class="fa-scale-110 fa-old-padding"
-        :icon="[status.favorited ? 'fas' : 'far', 'star']"
-        :spin="animated"
-      />
+      <FALayers class="fa-scale-110 fa-old-padding-layer">
+        <FAIcon
+          class="fa-scale-110"
+          :icon="[status.favorited ? 'fas' : 'far', 'star']"
+          :spin="animated"
+        />
+        <FAIcon
+          v-if="status.favorited"
+          class="active-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="check"
+        />
+        <FAIcon
+          v-if="!status.favorited"
+          class="focus-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="plus"
+        />
+        <FAIcon
+          v-else
+          class="focus-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="minus"
+        />
+      </FALayers>
     </button>
     <span v-else>
       <FAIcon
@@ -33,6 +53,7 @@
 
 <style lang="scss">
 @import '../../_variables.scss';
+@import '../../_mixins.scss';
 
 .FavoriteButton {
   display: flex;
@@ -57,6 +78,26 @@
       color: $fallback--cOrange;
       color: var(--cOrange, $fallback--cOrange);
     }
+
+    @include unfocused-style {
+      .focus-marker {
+        visibility: hidden;
+      }
+
+      .active-marker {
+        visibility: visible;
+      }
+    }
+
+    @include focused-style {
+      .focus-marker {
+        visibility: visible;
+      }
+
+      .active-marker {
+        visibility: hidden;
+      }
+    }
   }
 }
 </style>
diff --git a/src/components/global_notice_list/global_notice_list.vue b/src/components/global_notice_list/global_notice_list.vue
index 09904761..d828b819 100644
--- a/src/components/global_notice_list/global_notice_list.vue
+++ b/src/components/global_notice_list/global_notice_list.vue
@@ -29,10 +29,10 @@
 
 .global-notice-list {
   position: fixed;
-  top: 50px;
+  top: calc(var(--navbar-height) + 0.5em);
   width: 100%;
   pointer-events: none;
-  z-index: var(--ZI_popovers);
+  z-index: var(--ZI_navbar_popovers);
   display: flex;
   flex-direction: column;
   align-items: center;
diff --git a/src/components/react_button/react_button.js b/src/components/react_button/react_button.js
index 37d6e7d0..5e052e1e 100644
--- a/src/components/react_button/react_button.js
+++ b/src/components/react_button/react_button.js
@@ -1,15 +1,21 @@
 import Popover from '../popover/popover.vue'
 import { library } from '@fortawesome/fontawesome-svg-core'
+import { faPlus, faTimes } from '@fortawesome/free-solid-svg-icons'
 import { faSmileBeam } from '@fortawesome/free-regular-svg-icons'
 import { trim } from 'lodash'
 
-library.add(faSmileBeam)
+library.add(
+  faPlus,
+  faTimes,
+  faSmileBeam
+)
 
 const ReactButton = {
   props: ['status'],
   data () {
     return {
-      filterWord: ''
+      filterWord: '',
+      expanded: false
     }
   },
   components: {
@@ -25,6 +31,13 @@ const ReactButton = {
       }
       close()
     },
+    onShow () {
+      this.expanded = true
+      this.focusInput()
+    },
+    onClose () {
+      this.expanded = false
+    },
     focusInput () {
       this.$nextTick(() => {
         const input = this.$el.querySelector('input')
diff --git a/src/components/react_button/react_button.vue b/src/components/react_button/react_button.vue
index 5a809847..254c49db 100644
--- a/src/components/react_button/react_button.vue
+++ b/src/components/react_button/react_button.vue
@@ -7,7 +7,8 @@
     :bound-to="{ x: 'container' }"
     remove-padding
     popover-class="ReactButton popover-default"
-    @show="focusInput"
+    @show="onShow"
+    @close="onClose"
   >
     <template #content="{close}">
       <div class="reaction-picker-filter">
@@ -46,10 +47,24 @@
         class="button-unstyled popover-trigger"
         :title="$t('tool_tip.add_reaction')"
       >
-        <FAIcon
-          class="fa-scale-110 fa-old-padding"
-          :icon="['far', 'smile-beam']"
-        />
+        <FALayers>
+          <FAIcon
+            class="fa-scale-110 fa-old-padding"
+            :icon="['far', 'smile-beam']"
+          />
+          <FAIcon
+            v-show="!expanded"
+            class="focus-marker"
+            transform="shrink-6 up-9 right-17"
+            icon="plus"
+          />
+          <FAIcon
+            v-show="expanded"
+            class="focus-marker"
+            transform="shrink-6 up-9 right-17"
+            icon="times"
+          />
+        </FALayers>
       </span>
     </template>
   </Popover>
@@ -59,6 +74,7 @@
 
 <style lang="scss">
 @import '../../_variables.scss';
+@import '../../_mixins.scss';
 
 .ReactButton {
   .reaction-picker-filter {
@@ -125,6 +141,21 @@
       color: $fallback--text;
       color: var(--text, $fallback--text);
     }
+
+  }
+
+  .popover-trigger-button {
+    @include unfocused-style {
+      .focus-marker {
+        visibility: hidden;
+      }
+    }
+
+    @include focused-style {
+      .focus-marker {
+        visibility: visible;
+      }
+    }
   }
 }
 
diff --git a/src/components/reply_button/reply_button.js b/src/components/reply_button/reply_button.js
index c7bd2a2b..d6382982 100644
--- a/src/components/reply_button/reply_button.js
+++ b/src/components/reply_button/reply_button.js
@@ -1,7 +1,15 @@
 import { library } from '@fortawesome/fontawesome-svg-core'
-import { faReply } from '@fortawesome/free-solid-svg-icons'
+import {
+  faReply,
+  faPlus,
+  faTimes
+} from '@fortawesome/free-solid-svg-icons'
 
-library.add(faReply)
+library.add(
+  faReply,
+  faPlus,
+  faTimes
+)
 
 const ReplyButton = {
   name: 'ReplyButton',
diff --git a/src/components/reply_button/reply_button.vue b/src/components/reply_button/reply_button.vue
index c17041da..ea97fbaa 100644
--- a/src/components/reply_button/reply_button.vue
+++ b/src/components/reply_button/reply_button.vue
@@ -7,10 +7,24 @@
       :title="$t('tool_tip.reply')"
       @click.prevent="$emit('toggle')"
     >
-      <FAIcon
-        class="fa-scale-110 fa-old-padding"
-        icon="reply"
-      />
+      <FALayers class="fa-old-padding-layer">
+        <FAIcon
+          class="fa-scale-110"
+          icon="reply"
+        />
+        <FAIcon
+          v-if="!replying"
+          class="focus-marker"
+          transform="shrink-6 up-8 right-11"
+          icon="plus"
+        />
+        <FAIcon
+          v-else
+          class="focus-marker"
+          transform="shrink-6 up-8 right-11"
+          icon="times"
+        />
+      </FALayers>
     </button>
     <span v-else>
       <FAIcon
@@ -32,6 +46,7 @@
 
 <style lang="scss">
 @import '../../_variables.scss';
+@import '../../_mixins.scss';
 
 .ReplyButton {
   display: flex;
@@ -52,6 +67,18 @@
       color: $fallback--cBlue;
       color: var(--cBlue, $fallback--cBlue);
     }
+
+    @include unfocused-style {
+      .focus-marker {
+        visibility: hidden;
+      }
+    }
+
+    @include focused-style {
+      .focus-marker {
+        visibility: visible;
+      }
+    }
   }
 
 }
diff --git a/src/components/retweet_button/retweet_button.js b/src/components/retweet_button/retweet_button.js
index 2103fd0b..b7911814 100644
--- a/src/components/retweet_button/retweet_button.js
+++ b/src/components/retweet_button/retweet_button.js
@@ -1,7 +1,17 @@
 import { library } from '@fortawesome/fontawesome-svg-core'
-import { faRetweet } from '@fortawesome/free-solid-svg-icons'
+import {
+  faRetweet,
+  faPlus,
+  faMinus,
+  faCheck
+} from '@fortawesome/free-solid-svg-icons'
 
-library.add(faRetweet)
+library.add(
+  faRetweet,
+  faPlus,
+  faMinus,
+  faCheck
+)
 
 const RetweetButton = {
   props: ['status', 'loggedIn', 'visibility'],
diff --git a/src/components/retweet_button/retweet_button.vue b/src/components/retweet_button/retweet_button.vue
index 5a15d387..396d1200 100644
--- a/src/components/retweet_button/retweet_button.vue
+++ b/src/components/retweet_button/retweet_button.vue
@@ -7,11 +7,31 @@
       :title="$t('tool_tip.repeat')"
       @click.prevent="retweet()"
     >
-      <FAIcon
-        class="fa-scale-110 fa-old-padding"
-        icon="retweet"
-        :spin="animated"
-      />
+      <FALayers class="fa-old-padding-layer">
+        <FAIcon
+          class="fa-scale-110"
+          icon="retweet"
+          :spin="animated"
+        />
+        <FAIcon
+          v-if="status.repeated"
+          class="active-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="check"
+        />
+        <FAIcon
+          v-if="!status.repeated"
+          class="focus-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="plus"
+        />
+        <FAIcon
+          v-else
+          class="focus-marker"
+          transform="shrink-6 up-9 right-12"
+          icon="minus"
+        />
+      </FALayers>
     </button>
     <span v-else-if="loggedIn">
       <FAIcon
@@ -40,6 +60,7 @@
 
 <style lang="scss">
 @import '../../_variables.scss';
+@import '../../_mixins.scss';
 
 .RetweetButton {
   display: flex;
@@ -64,6 +85,26 @@
       color: $fallback--cGreen;
       color: var(--cGreen, $fallback--cGreen);
     }
+
+    @include unfocused-style {
+      .focus-marker {
+        visibility: hidden;
+      }
+
+      .active-marker {
+        visibility: visible;
+      }
+    }
+
+    @include focused-style {
+      .focus-marker {
+        visibility: visible;
+      }
+
+      .active-marker {
+        visibility: hidden;
+      }
+    }
   }
 }
 </style>
diff --git a/src/components/settings_modal/helpers/boolean_setting.js b/src/components/settings_modal/helpers/boolean_setting.js
index 353e551c..dc832044 100644
--- a/src/components/settings_modal/helpers/boolean_setting.js
+++ b/src/components/settings_modal/helpers/boolean_setting.js
@@ -42,6 +42,9 @@ export default {
   methods: {
     update (e) {
       set(this.$parent, this.path, e)
+    },
+    reset () {
+      set(this.$parent, this.path, this.defaultState)
     }
   }
 }
diff --git a/src/components/settings_modal/helpers/boolean_setting.vue b/src/components/settings_modal/helpers/boolean_setting.vue
index 69584808..41142966 100644
--- a/src/components/settings_modal/helpers/boolean_setting.vue
+++ b/src/components/settings_modal/helpers/boolean_setting.vue
@@ -15,7 +15,12 @@
         <slot />
       </span>
       {{ ' ' }}
-      <ModifiedIndicator :changed="isChanged" /><ServerSideIndicator :server-side="isServerSide" /> </Checkbox>
+      <ModifiedIndicator
+        :changed="isChanged"
+        :onclick="reset"
+      />
+      <ServerSideIndicator :server-side="isServerSide" />
+    </Checkbox>
   </label>
 </template>
 
diff --git a/src/components/settings_modal/helpers/choice_setting.js b/src/components/settings_modal/helpers/choice_setting.js
index 4677d4c1..3da559fe 100644
--- a/src/components/settings_modal/helpers/choice_setting.js
+++ b/src/components/settings_modal/helpers/choice_setting.js
@@ -43,6 +43,9 @@ export default {
   methods: {
     update (e) {
       set(this.$parent, this.path, e)
+    },
+    reset () {
+      set(this.$parent, this.path, this.defaultState)
     }
   }
 }
diff --git a/src/components/settings_modal/helpers/choice_setting.vue b/src/components/settings_modal/helpers/choice_setting.vue
index 258c7422..d141a0d6 100644
--- a/src/components/settings_modal/helpers/choice_setting.vue
+++ b/src/components/settings_modal/helpers/choice_setting.vue
@@ -19,7 +19,10 @@
         {{ option.value === defaultState ? $t('settings.instance_default_simple') : '' }}
       </option>
     </Select>
-    <ModifiedIndicator :changed="isChanged" />
+    <ModifiedIndicator
+      :changed="isChanged"
+      :onclick="reset"
+    />
     <ServerSideIndicator :server-side="isServerSide" />
   </label>
 </template>
diff --git a/src/components/settings_modal/helpers/integer_setting.js b/src/components/settings_modal/helpers/integer_setting.js
index 17dc0e7b..e64d0cee 100644
--- a/src/components/settings_modal/helpers/integer_setting.js
+++ b/src/components/settings_modal/helpers/integer_setting.js
@@ -36,6 +36,9 @@ export default {
   methods: {
     update (e) {
       set(this.$parent, this.path, parseInt(e.target.value))
+    },
+    reset () {
+      set(this.$parent, this.path, this.defaultState)
     }
   }
 }
diff --git a/src/components/settings_modal/helpers/integer_setting.vue b/src/components/settings_modal/helpers/integer_setting.vue
index e661a025..695e2673 100644
--- a/src/components/settings_modal/helpers/integer_setting.vue
+++ b/src/components/settings_modal/helpers/integer_setting.vue
@@ -17,7 +17,10 @@
       @change="update"
     >
     {{ ' ' }}
-    <ModifiedIndicator :changed="isChanged" />
+    <ModifiedIndicator
+      :changed="isChanged"
+      :onclick="reset"
+    />
   </span>
 </template>
 
diff --git a/src/components/settings_modal/helpers/size_setting.js b/src/components/settings_modal/helpers/size_setting.js
new file mode 100644
index 00000000..58697412
--- /dev/null
+++ b/src/components/settings_modal/helpers/size_setting.js
@@ -0,0 +1,67 @@
+import { get, set } from 'lodash'
+import ModifiedIndicator from './modified_indicator.vue'
+import Select from 'src/components/select/select.vue'
+
+export const allCssUnits = ['cm', 'mm', 'in', 'px', 'pt', 'pc', 'em', 'ex', 'ch', 'rem', 'vw', 'vh', 'vmin', 'vmax', '%']
+export const defaultHorizontalUnits = ['px', 'rem', 'vw']
+export const defaultVerticalUnits = ['px', 'rem', 'vh']
+
+export default {
+  components: {
+    ModifiedIndicator,
+    Select
+  },
+  props: {
+    path: String,
+    disabled: Boolean,
+    min: Number,
+    units: {
+      type: [String],
+      default: () => allCssUnits
+    },
+    expert: [Number, String]
+  },
+  computed: {
+    pathDefault () {
+      const [firstSegment, ...rest] = this.path.split('.')
+      return [firstSegment + 'DefaultValue', ...rest].join('.')
+    },
+    stateUnit () {
+      return (this.state || '').replace(/\d+/, '')
+    },
+    stateValue () {
+      return (this.state || '').replace(/\D+/, '')
+    },
+    state () {
+      const value = get(this.$parent, this.path)
+      if (value === undefined) {
+        return this.defaultState
+      } else {
+        return value
+      }
+    },
+    defaultState () {
+      return get(this.$parent, this.pathDefault)
+    },
+    isChanged () {
+      return this.state !== this.defaultState
+    },
+    matchesExpertLevel () {
+      return (this.expert || 0) <= this.$parent.expertLevel
+    }
+  },
+  methods: {
+    update (e) {
+      set(this.$parent, this.path, e)
+    },
+    reset () {
+      set(this.$parent, this.path, this.defaultState)
+    },
+    updateValue (e) {
+      set(this.$parent, this.path, parseInt(e.target.value) + this.stateUnit)
+    },
+    updateUnit (e) {
+      set(this.$parent, this.path, this.stateValue + e.target.value)
+    }
+  }
+}
diff --git a/src/components/settings_modal/helpers/size_setting.vue b/src/components/settings_modal/helpers/size_setting.vue
new file mode 100644
index 00000000..90c9f538
--- /dev/null
+++ b/src/components/settings_modal/helpers/size_setting.vue
@@ -0,0 +1,54 @@
+<template>
+  <span
+    v-if="matchesExpertLevel"
+    class="SizeSetting"
+  >
+    <label
+      :for="path"
+      class="size-label"
+    >
+      <slot />
+    </label>
+    <input
+      :id="path"
+      class="number-input"
+      type="number"
+      step="1"
+      :disabled="disabled"
+      :min="min || 0"
+      :value="stateValue"
+      @change="updateValue"
+    >
+    <Select
+      :id="path"
+      :model-value="stateUnit"
+      :disabled="disabled"
+      class="css-unit-input"
+      @change="updateUnit"
+    >
+      <option
+        v-for="option in units"
+        :key="option"
+        :value="option"
+      >
+        {{ option }}
+      </option>
+    </Select>
+    {{ ' ' }}
+    <ModifiedIndicator
+      :changed="isChanged"
+      :onclick="reset"
+    />
+  </span>
+</template>
+
+<script src="./size_setting.js"></script>
+
+<style lang="scss">
+.css-unit-input, .css-unit-input select {
+  margin-left: 0.5em;
+  width: 4em !important;
+  max-width: 4em !important;
+  min-width: 4em !important;
+}
+</style>
diff --git a/src/components/settings_modal/tabs/general_tab.js b/src/components/settings_modal/tabs/general_tab.js
index 1e11b9e0..ea24d6ad 100644
--- a/src/components/settings_modal/tabs/general_tab.js
+++ b/src/components/settings_modal/tabs/general_tab.js
@@ -2,6 +2,7 @@ import BooleanSetting from '../helpers/boolean_setting.vue'
 import ChoiceSetting from '../helpers/choice_setting.vue'
 import ScopeSelector from 'src/components/scope_selector/scope_selector.vue'
 import IntegerSetting from '../helpers/integer_setting.vue'
+import SizeSetting, { defaultHorizontalUnits } from '../helpers/size_setting.vue'
 import InterfaceLanguageSwitcher from 'src/components/interface_language_switcher/interface_language_switcher.vue'
 
 import SharedComputedObject from '../helpers/shared_computed_object.js'
@@ -43,6 +44,11 @@ const GeneralTab = {
         value: mode,
         label: this.$t(`settings.third_column_mode_${mode}`)
       })),
+      userPopoverAvatarActionOptions: ['close', 'zoom', 'open'].map(mode => ({
+        key: mode,
+        value: mode,
+        label: this.$t(`settings.user_popover_avatar_action_${mode}`)
+      })),
       loopSilentAvailable:
       // Firefox
       Object.getOwnPropertyDescriptor(HTMLVideoElement.prototype, 'mozHasAudio') ||
@@ -56,11 +62,15 @@ const GeneralTab = {
     BooleanSetting,
     ChoiceSetting,
     IntegerSetting,
+    SizeSetting,
     InterfaceLanguageSwitcher,
     ScopeSelector,
     ServerSideIndicator
   },
   computed: {
+    horizontalUnits () {
+      return defaultHorizontalUnits
+    },
     postFormats () {
       return this.$store.state.instance.postFormats || []
     },
@@ -71,6 +81,17 @@ const GeneralTab = {
         label: this.$t(`post_status.content_type["${format}"]`)
       }))
     },
+    columns () {
+      const mode = this.$store.getters.mergedConfig.thirdColumnMode
+
+      const notif = mode === 'none' ? [] : ['notifs']
+
+      if (this.$store.getters.mergedConfig.sidebarRight || mode === 'postform') {
+        return [...notif, 'content', 'sidebar']
+      } else {
+        return ['sidebar', 'content', ...notif]
+      }
+    },
     instanceSpecificPanelPresent () { return this.$store.state.instance.showInstanceSpecificPanel },
     instanceWallpaperUsed () {
       return this.$store.state.instance.background &&
diff --git a/src/components/settings_modal/tabs/general_tab.vue b/src/components/settings_modal/tabs/general_tab.vue
index 91015955..50e2bc44 100644
--- a/src/components/settings_modal/tabs/general_tab.vue
+++ b/src/components/settings_modal/tabs/general_tab.vue
@@ -15,11 +15,6 @@
             {{ $t('settings.hide_isp') }}
           </BooleanSetting>
         </li>
-        <li>
-          <BooleanSetting path="sidebarRight">
-            {{ $t('settings.right_sidebar') }}
-          </BooleanSetting>
-        </li>
         <li v-if="instanceWallpaperUsed">
           <BooleanSetting path="hideInstanceWallpaper">
             {{ $t('settings.hide_wallpaper') }}
@@ -65,22 +60,14 @@
           </BooleanSetting>
         </li>
         <li>
-          <BooleanSetting path="disableStickyHeaders">
-            {{ $t('settings.disable_sticky_headers') }}
-          </BooleanSetting>
-        </li>
-        <li>
-          <BooleanSetting path="showScrollbars">
-            {{ $t('settings.show_scrollbars') }}
-          </BooleanSetting>
-        </li>
-        <li>
-          <BooleanSetting
-            path="userPopoverZoom"
+          <ChoiceSetting
+            id="userPopoverAvatarAction"
+            path="userPopoverAvatarAction"
+            :options="userPopoverAvatarActionOptions"
             expert="1"
           >
-            {{ $t('settings.user_popover_avatar_zoom') }}
-          </BooleanSetting>
+            {{ $t('settings.user_popover_avatar_action') }}
+          </ChoiceSetting>
         </li>
         <li>
           <BooleanSetting
@@ -91,16 +78,6 @@
           </BooleanSetting>
         </li>
         <li>
-          <ChoiceSetting
-            v-if="user"
-            id="thirdColumnMode"
-            path="thirdColumnMode"
-            :options="thirdColumnModeOptions"
-          >
-            {{ $t('settings.third_column_mode') }}
-          </ChoiceSetting>
-        </li>
-        <li>
           <BooleanSetting
             path="alwaysShowNewPostButton"
             expert="1"
@@ -148,6 +125,11 @@
           </BooleanSetting>
         </li>
         <li>
+          <BooleanSetting path="navbarColumnStretch">
+            {{ $t('settings.navbar_column_stretch') }}
+          </BooleanSetting>
+        </li>
+        <li>
           <ChoiceSetting
             v-if="user"
             id="thirdColumnMode"
@@ -480,3 +462,16 @@
 </template>
 
 <script src="./general_tab.js"></script>
+
+<style lang="scss">
+.column-settings {
+  display: flex;
+  justify-content: space-evenly;
+  flex-wrap: wrap;
+}
+.column-settings .size-label {
+  display: block;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+</style>
diff --git a/src/components/user_popover/user_popover.js b/src/components/user_popover/user_popover.js
index 69b25383..3b12aa1e 100644
--- a/src/components/user_popover/user_popover.js
+++ b/src/components/user_popover/user_popover.js
@@ -11,8 +11,8 @@ const UserPopover = {
     Popover: defineAsyncComponent(() => import('../popover/popover.vue'))
   },
   computed: {
-    userPopoverZoom () {
-      return this.$store.getters.mergedConfig.userPopoverZoom
+    userPopoverAvatarAction () {
+      return this.$store.getters.mergedConfig.userPopoverAvatarAction
     },
     userPopoverOverlay () {
       return this.$store.getters.mergedConfig.userPopoverOverlay
diff --git a/src/components/user_popover/user_popover.vue b/src/components/user_popover/user_popover.vue
index 4e999672..53d51fc4 100644
--- a/src/components/user_popover/user_popover.vue
+++ b/src/components/user_popover/user_popover.vue
@@ -14,7 +14,7 @@
         class="user-popover"
         :user-id="userId"
         :hide-bio="true"
-        :avatar-action="userPopoverZoom ? 'zoom' : close"
+        :avatar-action="userPopoverAvatarAction == 'close' ? close : userPopoverAvatarAction"
         :on-close="close"
       />
     </template>
diff --git a/src/components/user_profile/user_profile.js b/src/components/user_profile/user_profile.js
index f779b823..08adaeab 100644
--- a/src/components/user_profile/user_profile.js
+++ b/src/components/user_profile/user_profile.js
@@ -45,7 +45,7 @@ const UserProfile = {
   },
   created () {
     const routeParams = this.$route.params
-    this.load(routeParams.name || routeParams.id)
+    this.load({ name: routeParams.name, id: routeParams.id })
     this.tab = get(this.$route, 'query.tab', defaultTabKey)
   },
   unmounted () {
@@ -106,12 +106,17 @@ const UserProfile = {
       this.userId = null
       this.error = false
 
+      const maybeId = userNameOrId.id
+      const maybeName = userNameOrId.name
+
       // Check if user data is already loaded in store
-      const user = this.$store.getters.findUser(userNameOrId)
+      const user = maybeId ? this.$store.getters.findUser(maybeId) : this.$store.getters.findUserByName(maybeName)
       if (user) {
         loadById(user.id)
       } else {
-        this.$store.dispatch('fetchUser', userNameOrId)
+        (maybeId
+          ? this.$store.dispatch('fetchUser', maybeId)
+          : this.$store.dispatch('fetchUserByName', maybeName))
           .then(({ id }) => loadById(id))
           .catch((reason) => {
             const errorMessage = get(reason, 'error.error')
@@ -150,12 +155,12 @@ const UserProfile = {
   watch: {
     '$route.params.id': function (newVal) {
       if (newVal) {
-        this.switchUser(newVal)
+        this.switchUser({ id: newVal })
       }
     },
     '$route.params.name': function (newVal) {
       if (newVal) {
-        this.switchUser(newVal)
+        this.switchUser({ name: newVal })
       }
     },
     '$route.query': function (newVal) {
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 2e845959..91722d9a 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -412,6 +412,7 @@
     "hide_isp": "Hide instance-specific panel",
     "hide_shoutbox": "Hide instance shoutbox",
     "right_sidebar": "Reverse order of columns",
+    "navbar_column_stretch": "Stretch navbar to columns width",
     "always_show_post_button": "Always show floating New Post button",
     "hide_wallpaper": "Hide instance wallpaper",
     "preload_images": "Preload images",
@@ -533,6 +534,11 @@
     "third_column_mode_none": "Don't show third column at all",
     "third_column_mode_notifications": "Notifications column",
     "third_column_mode_postform": "Main post form and navigation",
+    "columns": "Columns",
+    "column_sizes": "Column sizes",
+    "column_sizes_sidebar": "Sidebar",
+    "column_sizes_content": "Content",
+    "column_sizes_notifs": "Notifications",
     "tree_advanced": "Allow more flexible navigation in tree view",
     "tree_fade_ancestors": "Display ancestors of the current status in faint text",
     "conversation_display_linear": "Linear-style",
@@ -573,7 +579,10 @@
     "mention_link_show_avatar_quick": "Show user avatar next to mentions",
     "mention_link_fade_domain": "Fade domains (e.g. {'@'}example.org in {'@'}foo{'@'}example.org)",
     "mention_link_bolden_you": "Highlight mention of you when you are mentioned",
-    "user_popover_avatar_zoom": "Clicking on user avatar in popover zooms it instead of closing the popover",
+    "user_popover_avatar_action": "Popover avatar click action",
+    "user_popover_avatar_action_zoom": "Zoom the avatar",
+    "user_popover_avatar_action_close": "Close the popover",
+    "user_popover_avatar_action_open": "Open profile",
     "user_popover_avatar_overlay": "Show user popover over user avatar",
     "fun": "Fun",
     "greentext": "Meme arrows",
diff --git a/src/i18n/ru.json b/src/i18n/ru.json
index 7e6ff3f5..02815f3e 100644
--- a/src/i18n/ru.json
+++ b/src/i18n/ru.json
@@ -456,6 +456,15 @@
     "subject_line_mastodon": "Как в Mastodon: скопировать как есть",
     "subject_line_email": "Как в электронной почте: \"re: тема\"",
     "subject_line_behavior": "Копировать тему в ответах",
+    "third_column_mode": "Когда недостаточно места, показывать третью колонку содержащую",
+    "third_column_mode_none": "Не показывать третью колонку совсем",
+    "third_column_mode_notifications": "Колонку уведомлений",
+    "third_column_mode_postform": "Форму отправки сообщения и навигацию",
+    "columns": "Колонки",
+    "column_sizes": "Размеры колонок",
+    "column_sizes_sidebar": "Боковой",
+    "column_sizes_content": "Содержимого",
+    "column_sizes_notifs": "Уведомлений",
     "no_mutes": "Нет игнорируемых",
     "no_blocks": "Нет блокировок",
     "notification_visibility_emoji_reactions": "Реакции",
diff --git a/src/modules/config.js b/src/modules/config.js
index c34b2c8c..be30dee3 100644
--- a/src/modules/config.js
+++ b/src/modules/config.js
@@ -1,5 +1,5 @@
 import Cookies from 'js-cookie'
-import { setPreset, applyTheme } from '../services/style_setter/style_setter.js'
+import { setPreset, applyTheme, applyConfig } from '../services/style_setter/style_setter.js'
 import messages from '../i18n/messages'
 import localeService from '../services/locale/locale.service.js'
 
@@ -17,7 +17,8 @@ export const multiChoiceProperties = [
   'subjectLineBehavior',
   'conversationDisplay', // tree | linear
   'conversationOtherRepliesButton', // below | inside
-  'mentionLinkDisplay' // short | full_for_remote | full
+  'mentionLinkDisplay', // short | full_for_remote | full
+  'userPopoverAvatarAction' // close | zoom | open
 ]
 
 export const defaultState = {
@@ -82,11 +83,12 @@ export const defaultState = {
   useContainFit: true,
   disableStickyHeaders: false,
   showScrollbars: false,
-  userPopoverZoom: false,
+  userPopoverAvatarAction: 'close',
   userPopoverOverlay: true,
   sidebarColumnWidth: '25rem',
   contentColumnWidth: '45rem',
   notifsColumnWidth: '25rem',
+  navbarColumnStretch: false,
   listsNavigation: false,
   greentext: undefined, // instance default
   useAtIcon: undefined, // instance default
@@ -165,12 +167,17 @@ const config = {
     setHighlight ({ commit, dispatch }, { user, color, type }) {
       commit('setHighlight', { user, color, type })
     },
-    setOption ({ commit, dispatch }, { name, value }) {
+    setOption ({ commit, dispatch, state }, { name, value }) {
       commit('setOption', { name, value })
       switch (name) {
         case 'theme':
           setPreset(value)
           break
+        case 'sidebarColumnWidth':
+        case 'contentColumnWidth':
+        case 'notifsColumnWidth':
+          applyConfig(state)
+          break
         case 'customTheme':
         case 'customThemeSource':
           applyTheme(value)
diff --git a/src/modules/users.js b/src/modules/users.js
index b6fb9746..be0bc997 100644
--- a/src/modules/users.js
+++ b/src/modules/users.js
@@ -16,9 +16,6 @@ export const mergeOrAdd = (arr, obj, item) => {
     // This is a new item, prepare it
     arr.push(item)
     obj[item.id] = item
-    if (item.screen_name && !item.screen_name.includes('@')) {
-      obj[item.screen_name.toLowerCase()] = item
-    }
     return { item, new: true }
   }
 }
@@ -162,7 +159,11 @@ export const mutations = {
       if (user.relationship) {
         state.relationships[user.relationship.id] = user.relationship
       }
-      mergeOrAdd(state.users, state.usersObject, user)
+      const res = mergeOrAdd(state.users, state.usersObject, user)
+      const item = res.item
+      if (res.new && item.screen_name && !item.screen_name.includes('@')) {
+        state.usersByNameObject[item.screen_name.toLowerCase()] = item
+      }
     })
   },
   updateUserRelationship (state, relationships) {
@@ -239,12 +240,10 @@ export const mutations = {
 
 export const getters = {
   findUser: state => query => {
-    const result = state.usersObject[query]
-    // In case it's a screen_name, we can try searching case-insensitive
-    if (!result && typeof query === 'string') {
-      return state.usersObject[query.toLowerCase()]
-    }
-    return result
+    return state.usersObject[query]
+  },
+  findUserByName: state => query => {
+    return state.usersByNameObject[query.toLowerCase()]
   },
   findUserByUrl: state => query => {
     return state.users
@@ -263,6 +262,7 @@ export const defaultState = {
   currentUser: false,
   users: [],
   usersObject: {},
+  usersByNameObject: {},
   signUpPending: false,
   signUpErrors: [],
   relationships: {}
@@ -285,6 +285,13 @@ const users = {
           return user
         })
     },
+    fetchUserByName (store, name) {
+      return store.rootState.api.backendInteractor.fetchUserByName({ name })
+        .then((user) => {
+          store.commit('addNewUsers', [user])
+          return user
+        })
+    },
     fetchUserRelationship (store, id) {
       if (store.state.currentUser) {
         store.rootState.api.backendInteractor.fetchUserRelationship({ id })
diff --git a/src/services/api/api.service.js b/src/services/api/api.service.js
index 7b6f7d67..ce60d65a 100644
--- a/src/services/api/api.service.js
+++ b/src/services/api/api.service.js
@@ -50,6 +50,7 @@ const MASTODON_USER_HOME_TIMELINE_URL = '/api/v1/timelines/home'
 const MASTODON_STATUS_URL = id => `/api/v1/statuses/${id}`
 const MASTODON_STATUS_CONTEXT_URL = id => `/api/v1/statuses/${id}/context`
 const MASTODON_USER_URL = '/api/v1/accounts'
+const MASTODON_USER_LOOKUP_URL = '/api/v1/accounts/lookup'
 const MASTODON_USER_RELATIONSHIPS_URL = '/api/v1/accounts/relationships'
 const MASTODON_USER_TIMELINE_URL = id => `/api/v1/accounts/${id}/statuses`
 const MASTODON_LIST_URL = id => `/api/v1/lists/${id}`
@@ -318,6 +319,25 @@ const fetchUser = ({ id, credentials }) => {
     .then((data) => parseUser(data))
 }
 
+const fetchUserByName = ({ name, credentials }) => {
+  return promisedRequest({
+    url: MASTODON_USER_LOOKUP_URL,
+    credentials,
+    params: { acct: name }
+  })
+    .then(data => data.id)
+    .catch(error => {
+      if (error && error.statusCode === 404) {
+        // Either the backend does not support lookup endpoint,
+        // or there is no user with such name. Fallback and treat name as id.
+        return name
+      } else {
+        throw error
+      }
+    })
+    .then(id => fetchUser({ id, credentials }))
+}
+
 const fetchUserRelationship = ({ id, credentials }) => {
   const url = `${MASTODON_USER_RELATIONSHIPS_URL}/?id=${id}`
   return fetch(url, { headers: authHeaders(credentials) })
@@ -1481,6 +1501,7 @@ const apiService = {
   blockUser,
   unblockUser,
   fetchUser,
+  fetchUserByName,
   fetchUserRelationship,
   favorite,
   unfavorite,
diff --git a/src/services/push/push.js b/src/services/push/push.js
index 40d7b0fd..1787ac36 100644
--- a/src/services/push/push.js
+++ b/src/services/push/push.js
@@ -1,4 +1,4 @@
-import runtime from 'serviceworker-webpack-plugin/lib/runtime'
+import runtime from 'serviceworker-webpack5-plugin/lib/runtime'
 
 function urlBase64ToUint8Array (base64String) {
   const padding = '='.repeat((4 - base64String.length % 4) % 4)
diff --git a/src/services/style_setter/style_setter.js b/src/services/style_setter/style_setter.js
index 543aa874..d6e973a1 100644
--- a/src/services/style_setter/style_setter.js
+++ b/src/services/style_setter/style_setter.js
@@ -1,6 +1,7 @@
 import { convert } from 'chromatism'
 import { rgb2hex, hex2rgb, rgba2css, getCssColor, relativeLuminance } from '../color_convert/color_convert.js'
 import { getColors, computeDynamicColor, getOpacitySlot } from '../theme_data/theme_data.service.js'
+import { defaultState } from '../../modules/config.js'
 
 export const applyTheme = (input) => {
   const { rules } = generatePreset(input)
@@ -20,6 +21,36 @@ export const applyTheme = (input) => {
   body.classList.remove('hidden')
 }
 
+const configColumns = ({ sidebarColumnWidth, contentColumnWidth, notifsColumnWidth }) =>
+  ({ sidebarColumnWidth, contentColumnWidth, notifsColumnWidth })
+
+const defaultConfigColumns = configColumns(defaultState)
+
+export const applyConfig = (config) => {
+  const columns = configColumns(config)
+
+  if (columns === defaultConfigColumns) {
+    return
+  }
+
+  const head = document.head
+  const body = document.body
+  body.classList.add('hidden')
+
+  const rules = Object
+    .entries(columns)
+    .filter(([k, v]) => v)
+    .map(([k, v]) => `--${k}: ${v}`).join(';')
+
+  const styleEl = document.createElement('style')
+  head.appendChild(styleEl)
+  const styleSheet = styleEl.sheet
+
+  styleSheet.toString()
+  styleSheet.insertRule(`:root { ${rules} }`, 'index-max')
+  body.classList.remove('hidden')
+}
+
 export const getCssShadow = (input, usesDropShadow) => {
   if (input.length === 0) {
     return 'none'