Slightly faster bg transition

src/app.css

@@ -915,7 +915,7 @@ a[href^='http'][rel*='nofollow']:visited:not(:has(div)) {
   text-decoration-line: none;
   color: inherit;
   user-select: none;
-  transition: background-color 0.2s ease-out;
+  transition: background-color 0.1s ease-out;
   -webkit-tap-highlight-color: transparent;
   animation: appear 0.2s ease-out;
   -webkit-touch-callout: none;