scinote-web/app/assets/stylesheets/shared_styles/elements/dropdown.scss

.sci-dropdown {
  [data-toggle="dropdown"] {
    &:focus {
      box-shadow: none;
    }
  }

  &.open {
    [data-toggle="dropdown"] {
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
      border-color: $brand-focus;

      .caret {
        transform: rotateX(180deg);
      }
    }

    .dropdown-menu {
      border-top-left-radius: 0;
      border-top-right-radius: 0;
      box-shadow: $flyout-shadow;
      margin-top: -1px;
      width: 100%;

      li:hover {
        background: $color-concrete;
      }
    }
  }

}