message: Prevent mobiledoc options overlap and crop
diff: .block-control {
  - z-index: 1;
  + z-index: 160;
  top: 0;
  left: 0;
  position: absolute;
  .block-options, .paragraph-options {
  position: absolute;
  top: 46px;
  - left: -34px;
  + left: 0;
  background-color: #fff;
  border-radius: 3px;
  padding: 12px 12px 6px;
  .block-options:after, .paragraph-options:after, .block-options:before, .paragraph-options:before {
  bottom: 100%;
  - left: 25%;
  + left: 9%;
  border: solid transparent;
  content: " ";
  height: 0;
  