message: Restore transition
diff: @@ -220,7 +220,7 @@ input[type="range"].zoom-progress::-moz-range-track {
  .face {
  opacity: 0.7;
  position: absolute;
  - transition: opacity .2s ease-in-out;
  + transition: opacity 0.5s;
  }
  #controllers-container.dim-controls .face,
  