message: dropdown mount to body
diff: }
  &__menu {
  - position: absolute;
  - top: 100%;
  - left: 0;
  - z-index: 1000;
  box-sizing: border-box;
  width: 100%;
  min-width: 140px;
  background-color: $white;
  background-clip: padding-box;
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.175);
  -
  - &--hide {
  - display: none;
  - }
  }
  &__item {
  }
  }
  - & + & {
  + & + .hi-btn {
  margin-left: -1px;
  padding: 0 8px;
  border-top-left-radius: 0;
  