diff --git a/src/App.scss b/src/App.scss
index 0ee1c610..bc792263 100644
--- a/src/App.scss
+++ b/src/App.scss
@@ -641,12 +641,10 @@ option {
 }
 
 .alert {
-  margin: 0.35em;
-  padding: 0.25em;
+  margin: 0 0.35em;
+  padding: 0 0.25em;
   border-radius: $fallback--tooltipRadius;
   border-radius: var(--tooltipRadius, $fallback--tooltipRadius);
-  min-height: 28px;
-  line-height: 28px;
 
   &.error {
     background-color: $fallback--alertError;
diff --git a/src/components/account_actions/account_actions.vue b/src/components/account_actions/account_actions.vue
index 1e31151c..c35d01af 100644
--- a/src/components/account_actions/account_actions.vue
+++ b/src/components/account_actions/account_actions.vue
@@ -74,10 +74,6 @@
 <style lang="scss">
 @import '../../_variables.scss';
 .AccountActions {
-  button.dropdown-item {
-    margin-left: 0;
-  }
-
   .ellipsis-button {
     width: 2.5em;
     margin: -0.5em 0;
diff --git a/src/components/popover/popover.vue b/src/components/popover/popover.vue
index 044b887d..0350daa1 100644
--- a/src/components/popover/popover.vue
+++ b/src/components/popover/popover.vue
@@ -93,7 +93,7 @@
 
   .dropdown-item {
     line-height: 21px;
-    overflow: auto;
+    overflow: hidden;
     display: block;
     padding: 0.25em 0.75em;
     clear: both;
@@ -154,9 +154,13 @@
         content: '✓';
       }
 
-      &.menu-checkbox-radio::after {
-        font-size: 2em;
-        content: '•';
+      &.-radio {
+        border-radius: 9999px;
+
+        &.menu-checkbox-checked::after {
+          font-size: 2em;
+          content: '•';
+        }
       }
     }
 
diff --git a/src/components/settings_modal/tabs/theme_tab/theme_tab.scss b/src/components/settings_modal/tabs/theme_tab/theme_tab.scss
index 21b49a32..cb8e477c 100644
--- a/src/components/settings_modal/tabs/theme_tab/theme_tab.scss
+++ b/src/components/settings_modal/tabs/theme_tab/theme_tab.scss
@@ -245,25 +245,8 @@
         border-color: var(--border, $fallback--border);
       }
 
-      .panel-heading {
-        .badge, .alert, .btn, .faint {
-          margin-left: 1em;
-          white-space: nowrap;
-        }
-        .faint {
-          text-overflow: ellipsis;
-          min-width: 2em;
-          overflow-x: hidden;
-        }
-        .flex-spacer {
-          flex: 1;
-        }
-      }
       .btn {
-        margin-left: 0;
-        padding: 0 1em;
         min-width: 3em;
-        min-height: 30px;
       }
     }
   }
diff --git a/src/components/timeline/timeline.js b/src/components/timeline/timeline.js
index 4ae7410e..f79b5167 100644
--- a/src/components/timeline/timeline.js
+++ b/src/components/timeline/timeline.js
@@ -60,7 +60,7 @@ const Timeline = {
       }
     },
     classes () {
-      let rootClasses = !this.embedded ? ['panel', 'panel-default'] : []
+      let rootClasses = !this.embedded ? ['panel', 'panel-default'] : ['-nonpanel']
       if (this.blockingClicks) rootClasses = rootClasses.concat(['-blocked', '_misclick-prevention'])
       return {
         root: rootClasses,
diff --git a/src/components/timeline/timeline.scss b/src/components/timeline/timeline.scss
index ae8324b3..4c58e686 100644
--- a/src/components/timeline/timeline.scss
+++ b/src/components/timeline/timeline.scss
@@ -13,15 +13,6 @@
     max-width: 100%;
     flex-wrap: nowrap;
     align-items: center;
-
-    .loadmore-button {
-      flex-shrink: 0;
-    }
-
-    .loadmore-text {
-      flex-shrink: 0;
-      line-height: 1em;
-    }
   }
 
   .timeline-footer {
@@ -31,4 +22,17 @@
   .conversation-heading {
     top: calc(var(--panel-heading-height) * 2);
   }
+
+  &.-nonpanel {
+    .timeline-heading {
+      text-align: center;
+      line-height: 2.75em;
+      padding: 0 0.5em;
+    }
+
+    .button-default, .alert {
+      line-height: 2em;
+      width: 100%;
+    }
+  }
 }
diff --git a/src/components/timeline/timeline.vue b/src/components/timeline/timeline.vue
index d37a9e2a..ff3cd72d 100644
--- a/src/components/timeline/timeline.vue
+++ b/src/components/timeline/timeline.vue
@@ -1,5 +1,5 @@
 <template>
-  <div :class="[classes.root, 'Timeline']">
+  <div :class="['Timeline', classes.root]">
     <div :class="classes.header">
       <TimelineMenu v-if="!embedded" />
       <button
diff --git a/src/components/timeline/timeline_quick_settings.vue b/src/components/timeline/timeline_quick_settings.vue
index 4d67e06b..c62d0fe9 100644
--- a/src/components/timeline/timeline_quick_settings.vue
+++ b/src/components/timeline/timeline_quick_settings.vue
@@ -12,8 +12,8 @@
             @click="replyVisibilityAll = true"
           >
             <span
-              class="menu-checkbox"
-              :class="{ 'menu-checkbox-radio': replyVisibilityAll }"
+              class="menu-checkbox -radio"
+              :class="{ 'menu-checkbox-checked': replyVisibilityAll }"
             />{{ $t('settings.reply_visibility_all') }}
           </button>
           <button
@@ -21,8 +21,8 @@
             @click="replyVisibilityFollowing = true"
           >
             <span
-              class="menu-checkbox"
-              :class="{ 'menu-checkbox-radio': replyVisibilityFollowing }"
+              class="menu-checkbox -radio"
+              :class="{ 'menu-checkbox-checked': replyVisibilityFollowing }"
             />{{ $t('settings.reply_visibility_following_short') }}
           </button>
           <button
@@ -30,8 +30,8 @@
             @click="replyVisibilitySelf = true"
           >
             <span
-              class="menu-checkbox"
-              :class="{ 'menu-checkbox-radio': replyVisibilitySelf }"
+              class="menu-checkbox -radio"
+              :class="{ 'menu-checkbox-checked': replyVisibilitySelf }"
             />{{ $t('settings.reply_visibility_self_short') }}
           </button>
           <div
@@ -102,10 +102,6 @@
     line-height: 100%;
     height: 100%;
   }
-
-  .dropdown-item {
-    margin: 0;
-  }
 }
 
 </style>
diff --git a/src/components/user_card/user_card.vue b/src/components/user_card/user_card.vue
index 43a660e1..67837845 100644
--- a/src/components/user_card/user_card.vue
+++ b/src/components/user_card/user_card.vue
@@ -284,327 +284,4 @@
 
 <script src="./user_card.js"></script>
 
-<style lang="scss">
-@import '../../_variables.scss';
-
-.user-card {
-  position: relative;
-  z-index: 1;
-
-  &:hover {
-    --_still-image-img-visibility: visible;
-    --_still-image-canvas-visibility: hidden;
-    --_still-image-label-visibility: hidden;
-  }
-
-  .panel-heading {
-    padding: .5em 0;
-    text-align: center;
-    box-shadow: none;
-    background: transparent;
-    flex-direction: column;
-    align-items: stretch;
-    // create new stacking context
-    position: relative;
-  }
-
-  .panel-body {
-    word-wrap: break-word;
-    border-bottom-right-radius: inherit;
-    border-bottom-left-radius: inherit;
-    // create new stacking context
-    position: relative;
-  }
-
-  .background-image {
-    position: absolute;
-    top: 0;
-    left: 0;
-    right: 0;
-    bottom: 0;
-    mask: linear-gradient(to top, white, transparent) bottom no-repeat,
-          linear-gradient(to top, white, white);
-    // Autoprefixed seem to ignore this one, and also syntax is different
-                                                 -webkit-mask-composite: xor;
-    mask-composite: exclude;
-    background-size: cover;
-    mask-size: 100% 60%;
-    border-top-left-radius: calc(var(--panelRadius) - 1px);
-    border-top-right-radius: calc(var(--panelRadius) - 1px);
-    background-color: var(--profileBg);
-    z-index: -2;
-
-    &.hide-bio {
-      mask-size: 100% 40px;
-    }
-  }
-
-  &-bio {
-    text-align: center;
-    display: block;
-    line-height: 18px;
-    padding: 1em;
-    margin: 0;
-
-    a {
-      color: $fallback--link;
-      color: var(--postLink, $fallback--link);
-    }
-
-    img {
-      object-fit: contain;
-      vertical-align: middle;
-      max-width: 100%;
-      max-height: 400px;
-    }
-  }
-
-  // Modifiers
-
-  &-rounded-t {
-    border-top-left-radius: $fallback--panelRadius;
-    border-top-left-radius: var(--panelRadius, $fallback--panelRadius);
-    border-top-right-radius: $fallback--panelRadius;
-    border-top-right-radius: var(--panelRadius, $fallback--panelRadius);
-  }
-
-  &-rounded {
-    border-radius: $fallback--panelRadius;
-    border-radius: var(--panelRadius, $fallback--panelRadius);
-  }
-
-  &-bordered {
-    border-width: 1px;
-    border-style: solid;
-    border-color: $fallback--border;
-    border-color: var(--border, $fallback--border);
-  }
-}
-
-.user-info {
-  color: $fallback--lightText;
-  color: var(--lightText, $fallback--lightText);
-  padding: 0 26px;
-
-  .container {
-    min-width: 0;
-    padding: 16px 0 6px;
-    display: flex;
-    align-items: flex-start;
-    max-height: 56px;
-
-    > * {
-      min-width: 0;
-    }
-
-    .Avatar {
-      --_avatarShadowBox: var(--avatarShadow);
-      --_avatarShadowFilter: var(--avatarShadowFilter);
-      --_avatarShadowInset: var(--avatarShadowInset);
-
-      flex: 1 0 100%;
-      width: 56px;
-      height: 56px;
-      object-fit: cover;
-    }
-  }
-
-  &-avatar-link {
-    position: relative;
-    cursor: pointer;
-
-    &-overlay {
-      position: absolute;
-      left: 0;
-      top: 0;
-      right: 0;
-      bottom: 0;
-      background-color: rgba(0, 0, 0, 0.3);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      border-radius: $fallback--avatarRadius;
-      border-radius: var(--avatarRadius, $fallback--avatarRadius);
-      opacity: 0;
-      transition: opacity .2s ease;
-
-      svg {
-        color: #FFF;
-      }
-    }
-
-    &:hover &-overlay {
-      opacity: 1;
-    }
-  }
-
-  .external-link-button, .edit-profile-button {
-    cursor: pointer;
-    width: 2.5em;
-    text-align: center;
-    margin: -0.5em 0;
-    padding: 0.5em 0;
-
-    &:not(:hover) .icon {
-      color: $fallback--lightText;
-      color: var(--lightText, $fallback--lightText);
-    }
-  }
-
-  .user-summary {
-    display: block;
-    margin-left: 0.6em;
-    text-align: left;
-    text-overflow: ellipsis;
-    white-space: nowrap;
-    flex: 1 1 0;
-    // This is so that text doesn't get overlapped by avatar's shadow if it has
-    // big one
-    z-index: 1;
-
-    .top-line {
-      display: flex;
-    }
-  }
-
-  .user-name {
-    text-overflow: ellipsis;
-    overflow: hidden;
-    flex: 1 1 auto;
-    margin-right: 1em;
-    font-size: 15px;
-
-    --emoji-size: 14px;
-  }
-
-  .bottom-line {
-    display: flex;
-    font-weight: light;
-    font-size: 15px;
-
-    .lock-icon {
-      margin-left: 0.5em;
-    }
-
-    .user-screen-name {
-      min-width: 1px;
-      flex: 0 1 auto;
-      text-overflow: ellipsis;
-      overflow: hidden;
-      color: $fallback--lightText;
-      color: var(--lightText, $fallback--lightText);
-    }
-
-    .dailyAvg {
-      min-width: 1px;
-      flex: 0 0 auto;
-      margin-left: 1em;
-      font-size: 0.7em;
-      color: $fallback--text;
-      color: var(--text, $fallback--text);
-    }
-
-    .user-role {
-      flex: none;
-      color: $fallback--text;
-      color: var(--alertNeutralText, $fallback--text);
-      background-color: $fallback--fg;
-      background-color: var(--alertNeutral, $fallback--fg);
-    }
-  }
-
-  .user-meta {
-    margin-bottom: .15em;
-    display: flex;
-    align-items: baseline;
-    font-size: 14px;
-    line-height: 22px;
-    flex-wrap: wrap;
-
-    .following {
-      flex: 1 0 auto;
-      margin: 0;
-      margin-bottom: .25em;
-      text-align: left;
-    }
-
-    .highlighter {
-      flex: 0 1 auto;
-      display: flex;
-      flex-wrap: wrap;
-      margin-right: -.5em;
-      align-self: start;
-
-      .userHighlightCl {
-        padding: 2px 10px;
-        flex: 1 0 auto;
-      }
-
-      .userHighlightSel {
-        padding-top: 0;
-        padding-bottom: 0;
-        flex: 1 0 auto;
-      }
-
-      .userHighlightText {
-        width: 70px;
-        flex: 1 0 auto;
-      }
-
-      .userHighlightCl,
-      .userHighlightText,
-      .userHighlightSel {
-        vertical-align: top;
-        margin-right: .5em;
-        margin-bottom: .25em;
-      }
-    }
-  }
-  .user-interactions {
-    position: relative;
-    display: flex;
-    flex-flow: row wrap;
-    margin-right: -.75em;
-
-    > * {
-      margin: 0 .75em .6em 0;
-      white-space: nowrap;
-      min-width: 95px;
-    }
-
-    button {
-      margin: 0;
-    }
-  }
-}
-
-.sidebar .edit-profile-button {
-  display: none;
-}
-
-.user-counts {
-  display: flex;
-  line-height:16px;
-  padding: .5em 1.5em 0em 1.5em;
-  text-align: center;
-  justify-content: space-between;
-  color: $fallback--lightText;
-  color: var(--lightText, $fallback--lightText);
-  flex-wrap: wrap;
-}
-
-.user-count {
-  flex: 1 0 auto;
-  padding: .5em 0 .5em 0;
-  margin: 0 .5em;
-
-  h5 {
-    font-size:1em;
-    font-weight: bolder;
-    margin: 0 0 0.25em;
-  }
-  a {
-    text-decoration: none;
-  }
-}
-</style>
+<style lang="scss" src="./user_card.scss" />
diff --git a/src/components/user_profile/user_profile.vue b/src/components/user_profile/user_profile.vue
index 726216ff..f1e3cb72 100644
--- a/src/components/user_profile/user_profile.vue
+++ b/src/components/user_profile/user_profile.vue
@@ -192,24 +192,6 @@
     align-items: middle;
     padding: 2em;
   }
-
-  .timeline-heading {
-    display: flex;
-    justify-content: center;
-
-    .loadmore-button, .alert {
-      flex: 1;
-    }
-
-    .loadmore-button {
-      height: 28px;
-      margin: 10px .6em;
-    }
-
-    .title, .loadmore-text {
-      display: none
-    }
-  }
 }
 .user-profile-placeholder {
   .panel-body {
diff --git a/src/components/user_reporting_modal/user_reporting_modal.vue b/src/components/user_reporting_modal/user_reporting_modal.vue
index cc456365..ba12a246 100644
--- a/src/components/user_reporting_modal/user_reporting_modal.vue
+++ b/src/components/user_reporting_modal/user_reporting_modal.vue
@@ -76,17 +76,6 @@
   min-height: 20vh;
   max-height: 80vh;
 
-  .panel-heading {
-    .title {
-      text-align: center;
-      // TODO: Consider making these as default of panel
-      flex: 1;
-      overflow: hidden;
-      text-overflow: ellipsis;
-      white-space: nowrap;
-    }
-  }
-
   .panel-body {
     display: flex;
     flex-direction: column-reverse;
diff --git a/src/panel.scss b/src/panel.scss
index 147b17a9..167c60a6 100644
--- a/src/panel.scss
+++ b/src/panel.scss
@@ -39,7 +39,11 @@
 
   position: relative;
   box-sizing: border-box;
-  display: flex;
+  display: grid;
+  grid-auto-flow: column;
+  grid-template-columns: 1fr;
+  grid-auto-columns: auto;
+  grid-column-gap: 0.5em;
   flex: none;
   border-radius: $fallback--panelRadius $fallback--panelRadius 0 0;
   border-radius: var(--panelRadius, $fallback--panelRadius) var(--panelRadius, $fallback--panelRadius) 0 0;
@@ -89,7 +93,6 @@
   }
 
   .title {
-    flex: 1 0 auto;
     font-size: 1.3em;
   }
 
@@ -110,42 +113,44 @@
     overflow-x: hidden;
   }
 
-  > .button-default,
-  > .alert {
-    height: var(--__panel-heading-height-inner);
-    min-height: 0;
-    box-sizing: border-box;
-    margin: 0;
-    margin-left: 0.5em;
-    min-width: 1px;
-    padding-top: 0;
-    padding-bottom: 0;
-  }
-
-  > .button-default {
-    flex-shrink: 0;
-
-    &,
-    i[class*=icon-] {
-      color: $fallback--text;
-      color: var(--btnPanelText, $fallback--text);
+  &:not(.-flexible-height) {
+    > .button-default,
+    > .alert {
+      height: var(--__panel-heading-height-inner);
+      min-height: 0;
+      box-sizing: border-box;
+      margin: 0;
+      min-width: 1px;
+      padding-top: 0;
+      padding-bottom: 0;
+      align-self: stretch;
     }
 
-    &:active {
-      background-color: $fallback--fg;
-      background-color: var(--btnPressedPanel, $fallback--fg);
-      color: $fallback--text;
-      color: var(--btnPressedPanelText, $fallback--text);
-    }
+    > .button-default {
+      flex-shrink: 0;
 
-    &:disabled {
-      color: $fallback--text;
-      color: var(--btnDisabledPanelText, $fallback--text);
-    }
+      &,
+      i[class*=icon-] {
+        color: $fallback--text;
+        color: var(--btnPanelText, $fallback--text);
+      }
 
-    &.toggled {
-      color: $fallback--text;
-      color: var(--btnToggledPanelText, $fallback--text);
+      &:active {
+        background-color: $fallback--fg;
+        background-color: var(--btnPressedPanel, $fallback--fg);
+        color: $fallback--text;
+        color: var(--btnPressedPanelText, $fallback--text);
+      }
+
+      &:disabled {
+        color: $fallback--text;
+        color: var(--btnDisabledPanelText, $fallback--text);
+      }
+
+      &.toggled {
+        color: $fallback--text;
+        color: var(--btnToggledPanelText, $fallback--text);
+      }
     }
   }