diff --git a/app/javascript/styles/mastodon-light/diff.scss b/app/javascript/styles/mastodon-light/diff.scss
index 64f4adb84..d4290d7e6 100644
--- a/app/javascript/styles/mastodon-light/diff.scss
+++ b/app/javascript/styles/mastodon-light/diff.scss
@@ -355,11 +355,45 @@ html {
 .error-modal,
 .onboarding-modal,
 .report-modal__comment .setting-text__wrapper,
-.report-modal__comment .setting-text {
+.report-modal__comment .setting-text,
+.announcements,
+.picture-in-picture__header,
+.picture-in-picture__footer,
+.reactions-bar__item {
   background: $white;
   border: 1px solid lighten($ui-base-color, 8%);
 }
 
+.reactions-bar__item {
+  &:hover,
+  &:focus,
+  &:active {
+    background-color: $ui-base-color;
+  }
+}
+
+.reactions-bar__item.active {
+  background-color: mix($white, $ui-highlight-color, 80%);
+  border-color: mix(lighten($ui-base-color, 8%), $ui-highlight-color, 80%);
+}
+
+.media-modal__overlay .picture-in-picture__footer {
+  border: 0;
+}
+
+.picture-in-picture__header {
+  border-bottom: 0;
+}
+
+.announcements,
+.picture-in-picture__footer {
+  border-top: 0;
+}
+
+.icon-with-badge__badge {
+  border-color: $white;
+}
+
 .report-modal__comment {
   border-right-color: lighten($ui-base-color, 8%);
 }
@@ -512,6 +546,12 @@ html {
   }
 }
 
+.picture-in-picture-placeholder {
+  background: $white;
+  border-color: lighten($ui-base-color, 8%);
+  color: lighten($ui-base-color, 8%);
+}
+
 .brand__tagline {
   color: $ui-secondary-color;
 }
diff --git a/app/javascript/styles/mastodon/rtl.scss b/app/javascript/styles/mastodon/rtl.scss
index fbf26e30b..8051e4edb 100644
--- a/app/javascript/styles/mastodon/rtl.scss
+++ b/app/javascript/styles/mastodon/rtl.scss
@@ -17,15 +17,38 @@ body.rtl {
     margin-right: 15px;
   }
 
-  .display-name {
+  .display-name,
+  .announcements__item {
     text-align: right;
   }
 
+  .announcements__item__range {
+    padding-right: 0;
+    padding-left: 18px;
+  }
+
+  .reactions-bar {
+    margin-left: auto;
+    margin-right: -2px;
+    direction: rtl;
+  }
+
+  .reactions-bar__item__count {
+    margin-left: 0;
+    margin-right: 6px;
+  }
+
+  .announcements__pagination {
+    right: auto;
+    left: 0;
+  }
+
   .notification__message {
     margin-left: 0;
     margin-right: 68px;
   }
 
+  .announcements__mastodon,
   .drawer__inner__mastodon > img {
     transform: scaleX(-1);
   }
@@ -195,6 +218,7 @@ body.rtl {
     margin-right: 0;
   }
 
+  .picture-in-picture__header__account .display-name,
   .detailed-status__display-name .display-name {
     text-align: right;
   }
@@ -205,6 +229,21 @@ body.rtl {
     float: right;
   }
 
+  .picture-in-picture__header__account .account__avatar {
+    margin-right: 0;
+    margin-left: 10px;
+  }
+
+  .icon-button__counter {
+    margin-left: 0;
+    margin-right: 4px;
+  }
+
+  .notifications-permission-banner__close {
+    right: auto;
+    left: 10px;
+  }
+
   .detailed-status__favorites,
   .detailed-status__reblogs {
     margin-left: 0;
@@ -416,4 +455,9 @@ body.rtl {
     left: auto;
     right: 0;
   }
+
+  .picture-in-picture {
+    right: auto;
+    left: 20px;
+  }
 }