#space {
    width: 100%;
    height: 820px;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
  }
  
  #warp {
    position: absolute;
    z-index: 9;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 20px auto;
    color: rgba(209, 255, 255, 1);
    border: 2px solid;
    padding: 1em;
    width: 10em;
    text-align: center;
    font-weight: 700;
    font-size: 1.2em;
    display: inline-block;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.8);
  }
  .xg_banner_img{
	  position: relative;
  }
  .xg_banner_img img{
	  position: absolute;
	top: 0;
	left: 0;
	z-index: 3;
  }