session tts scrollbar styling

packages/fakeyou.com/src/scss/site-refresh.scss

@@ -889,6 +889,24 @@ textarea {
     .session-tts-section {
       height: 450px;
     }
+
+    .session-tts-section::-webkit-scrollbar {
+      width: 10px;
+    }
+
+    .session-tts-section::-webkit-scrollbar-track {
+      background-color: darken($panel, 2%);
+      border-radius: 20px;
+    }
+
+    .session-tts-section::-webkit-scrollbar-thumb {
+      border-radius: 20px;
+      background-color: $secondary;
+
+      &:hover {
+        background-color: lighten($secondary, 5%);
+      }
+    }
   }
 }