message: Small improvement for chain drop down UI
diff: box-shadow: var(--box-shadow);
  }
  + .dropDownItem {
  + height: 2.5em;
  + padding-left: 2em;
  + line-height: 2.5em;
  + }
  +
  + .selectedItem {
  + height: 57px;
  + }
  +
  &.active {
  - border: none;
  + border-color: transparent;
  .selectedItem {
  - height: auto;
  + height: 57px;
  }
  }
  }
  max-height: 160px;
  background-color: var(--color-background-elements);
  position: absolute;
  - right: -1;
  + right: -1px;
  top: 0;
  overflow-x: hidden;
  overflow-y: auto;
  