/* 混入接收两个参数 */
@mixin ul-li( $width:50%,$textAlign:center,$float:left) {
    float: $float;
    width: $width;
    height: 100%;
    text-align: $textAlign;
}

@mixin scroll-bar { 
    &::-webkit-scrollbar {
      z-index: 11;
      width: 6px;
  
      &:horizontal {
        height: 6px;
      }
  
      &-thumb {
        border-radius: 5px;
        width: 6px;
        background: $--scrollbar-thumb-background-common;
      }
  
      &-corner {
        background: $--scrollbar-track-background-common;
      }
  
      &-track {
        background: $--scrollbar-track-background-common;
  
        &-piece {
          background: $--scrollbar-track-background-common;
          width: 6px;
        }
      }
    }
  }