1 files changed, 138 insertions, 1 deletions

diff --git a/browser/components/aboutwelcome/content-src/aboutwelcome.scss b/browser/components/aboutwelcome/content-src/aboutwelcome.scss
index 9174fe2439..07bfcd2c96 100644
--- a/browser/components/aboutwelcome/content-src/aboutwelcome.scss
+++ b/browser/components/aboutwelcome/content-src/aboutwelcome.scss
@@ -1139,6 +1139,38 @@ html {
 
         &[no-rdm] {
           width: 800px;
+
+          &[reverse-split] {
+            flex-direction: row-reverse;
+
+            .section-main {
+              .main-content {
+                border-radius: inherit;
+              }
+
+              margin: auto;
+              margin-inline-end: 0;
+              border-radius: 8px 0 0 8px;
+
+              &:dir(rtl) {
+                border-radius: 0 8px 8px 0;
+                margin: auto;
+                margin-inline-end: 0;
+              }
+            }
+
+            .section-secondary {
+              margin: auto;
+              margin-inline-start: 0;
+              border-radius: 0 8px 8px 0;
+
+              &:dir(rtl) {
+                border-radius: 8px 0 0 8px;
+                margin: auto;
+                margin-inline-start: 0;
+              }
+            }
+          }
         }
       }
 
@@ -1372,6 +1404,107 @@ html {
       outline: 2px solid var(--in-content-primary-button-background);
     }
 
+    // newtab wallpaper specific styles
+    &.wallpaper {
+      justify-content: center;
+      gap: 10px;
+
+      &:hover, &:focus-within {
+        outline: none;
+      }
+
+      .theme {
+        flex: unset;
+        width: unset;
+        transition: var(--transition);
+
+        &:has(.input:focus) {
+          outline: 2px solid var(--in-content-primary-button-background);
+          outline-offset: 2px;
+        }
+
+        .icon {
+          width: 116px;
+          height: 86px;
+          border-radius: 8px;
+          box-shadow: 0 1px 2px 0 #3A394433;
+
+          &:hover {
+            filter: brightness(45%);
+          }
+
+          // dark theme wallpapers
+          &.dark-landscape {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/dark-landscape.avif');
+          }
+
+          &.dark-beach {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/dark-beach.avif');
+          }
+
+          &.dark-color {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/dark-color.avif');
+          }
+
+          &.dark-mountain {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/dark-mountain.avif');
+          }
+
+          &.dark-panda {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/dark-panda.avif');
+          }
+
+          &.dark-sky {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/dark-sky.avif');
+          }
+
+          // light theme wallpapers
+          &.light-beach {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/light-beach.avif');
+          }
+
+          &.light-color {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/light-color.avif');
+          }
+
+          &.light-landscape {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/light-landscape.avif');
+          }
+
+          &.light-mountain {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/light-mountain.avif');
+          }
+
+          &.light-panda {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/light-panda.avif');
+          }
+
+          &.light-sky {
+            background-image: url('chrome://activity-stream/content/data/content/assets/wallpapers/light-sky.avif');
+          }
+        }
+      }
+
+      .dark {
+        display: none;
+      }
+
+      .text {
+        display: none;
+      }
+
+      @media (prefers-color-scheme: dark) {
+        .light {
+          display: none;
+        }
+
+        .dark {
+          display: block;
+        }
+      }
+
+    }
+
     .theme {
       align-items: center;
       display: flex;
@@ -1405,13 +1538,17 @@ html {
           transform: scaleX(-1);
         }
 
-        &:focus,
+        &:focus-visible,
         &:active,
         &.selected {
           outline: 2px solid var(--in-content-primary-button-background);
           outline-offset: 2px;
         }
 
+        &.selected {
+          outline-color: var(--color-accent-primary-active);
+        }
+
         &.light {
           background-image: url('resource://builtin-themes/light/icon.svg');
         }