$menuW:140px;
.container{
  position: relative;
  height:100%;
  .menu{
    height:100%;
    width:$menuW;
    :global .ant-menu-item > a:before {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: transparent;
      content: '';
    }
  }
  .body{
    position: absolute;
    left:$menuW;
    top:0;
    right:0;
    bottom:0;
    overflow: auto;
  }
}