@arco-design/web-vue/lib/trigger/style/index.less

Arco Design Vue 2.0: A Vue.js 3 UI Library

@import './token.less';

@trigger-prefix-cls: ~'@{prefix}-trigger';

.@{trigger-prefix-cls} {
  &-wrapper {
    display: inline-block;
  }

  &-popup {
    position: absolute;
    z-index: @z-index-popup;
  }

  &-arrow {
    position: absolute;
    z-index: -1;
    display: block;
    box-sizing: border-box;
    width: @trigger-size-arrow-width;
    height: @trigger-size-arrow-width;
    background-color: @trigger-color-arrow-bg;
    content: '';
  }

  &-popup[trigger-placement='top'] &-arrow,
  &-popup[trigger-placement='tl'] &-arrow,
  &-popup[trigger-placement='tr'] &-arrow {
    border-top: none;
    border-left: none;
    border-bottom-right-radius: @trigger-border-arrow-radius;
  }

  &-popup[trigger-placement='bottom'] &-arrow,
  &-popup[trigger-placement='bl'] &-arrow,
  &-popup[trigger-placement='br'] &-arrow {
    border-right: none;
    border-bottom: none;
    border-top-left-radius: @trigger-border-arrow-radius;
  }

  &-popup[trigger-placement='left'] &-arrow,
  &-popup[trigger-placement='lt'] &-arrow,
  &-popup[trigger-placement='lb'] &-arrow {
    border-bottom: none;
    border-left: none;
    border-top-right-radius: @trigger-border-arrow-radius;
  }

  &-popup[trigger-placement='right'] &-arrow,
  &-popup[trigger-placement='rt'] &-arrow,
  &-popup[trigger-placement='rb'] &-arrow {
    border-top: none;
    border-right: none;
    border-bottom-left-radius: @trigger-border-arrow-radius;
  }
}