.zl_close{
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border:1Px solid #eee;
  transform: translate(-50%,50%);
  left:50%;
  position: absolute;
  bottom: 25px;
  &:before{
    content:'';
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    height: 15px;
    width: 1Px;
    background: #eee;
    transform: translate(-50%,-50%) rotate(45deg);
  }
  &:after{
    content:'';
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    height: 15px;
    width: 1Px;
    background: #eee;
    transform: translate(-50%,-50%) rotate(-45deg);
  }
}