ant-design/components/anchor/style/index.less

@import "../../style/themes/default";

.@{ant-prefix} {
  &-anchor {
    position: relative;
    &-wrapper {
      padding: 6px;
      background-color: white;
    }
  }
  &-anchor-ink {
    position: absolute;
    width: 9px;
    height: 100%;
    left: 0;
    top: 0;
    &:before {
      content: ' ';
      position: relative;
      width: 2px;
      height: 100%;
      display: block;
      background-color: @border-color-split;
      margin: 0 auto;
      border-radius: 1px;
    }
    &-ball {
      display: none;
      position: absolute;
      width: 9px;
      height: 9px;
      border-radius: 9px;
      border: 3px solid @primary-color;
      background-color: white;
      transition: top .3s ease-in-out;
      left: 50%;
      transform: translateX(-50%);
      &.visible {
        display: inline-block;
      }
    }
  }
  &-anchor-link {
    padding-left: 16px;
    line-height: 1;
    margin: 12px 0;

    &-title {
      display: block;
      position: relative;
      transition: all .3s;
      color: @text-color;
    }

    &-active > &-title {
      color: @primary-color;
    }

    & > & {
      font-size: @font-size-base;
    }
  }
}