message: Fix code discoloration caused by `highest-rated-comment`
diff: @@ -18,5 +18,8 @@ a.rgh-highest-rated-comment .avatar {
  --color-auto-gray-1: var(--color-auto-green-1);
  --color-auto-blue-4: var(--color-auto-green-4);
  --color-auto-blue-2: var(--color-auto-green-2);
  +}
  +
  +.rgh-highest-rated-comment .timeline-comment-header {
  --color-bg-tertiary: var(--color-auto-green-1);
  }
  