scinote-web/app/assets/stylesheets/shared/action_toolbar.scss

.sn-action-toolbar {
  background: $color-concrete;
  z-index: 100;

  .sn-action-toolbar__action a:hover {
    background: var(--sn-blue);
    color: var(--sn-white);
    text-decoration: none;
  }

  .icon-versions {
    display: inline-block;
    height: 14px;
    background-image: image-url("icon_small/versions-black.svg");
    background-position: center center;
    background-repeat: no-repeat;
    margin-bottom: -2px;
    width: 16px;
  }

  .sn-action-toolbar__message {
    padding: 8px;
  }
}

.sn-action-toolbar--button-overflow {
  .sn-action-toolbar__button-text {
    display: none;
  }
}