貌似 tag 写错了？

<style type="text/css">
  .ais-home-welcome .wrapper .skin-container {
    position: absolute;
    z-index: 10002;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-position: center 0;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    zoom: 1;
  }
  .ais-home-welcome .wrapper .welcome-detail {
      position: absolute;
      display: inline-block;
      right: 185px;
      bottom: 50px;
      width: 120px;
      height: 40px;
      color: #fff;
      cursor: pointer;
      z-index: 10003;
  }
  .ais-home-welcome .wrapper .welcome-skip {
    position: absolute;
    display: inline-block;
    right: 50px;
    bottom: 50px;
    width: 120px;
    height: 40px;
    color: #fff;
    cursor: pointer;
    z-index: 10003;
    background: url(https://testerhome.com/photo/2016/000c5d21fd78a704380b2d44cb5afb92.png) 0 0 no-repeat;
}
  </script>