message: fix(toc): fixes toc overlapping the masthead dropdown
diff: @@ -19,7 +19,7 @@ $search-transition-timing: 95ms;
  top: 0;
  left: 0;
  width: 100%;
  - z-index: 1;
  + z-index: 2;
  transition-delay: 200ms;
  transition-timing-function: $search-transition;
  transition-duration: 300ms;
  