/**
 *  登录页面样式
 *  by wang 2019-08
 */
html{
    overflow: hidden;
    height:100%;
}
body{
    overflow-y:scroll;
    height:100%;
    background-color: #000;
}
h4.mgt_80{
  margin-top:8rem;
}
h4{
    text-align: center;
    height:5rem;
    line-height:5rem;
}
h4 span{
    font-size:3rem;
    font-weight: bold;
    letter-spacing:1rem;
    color:#fff;
    cursor:pointer;
}
h4 a{
    color:#fff;
    font-size:2rem;
    font-weight:bold;
    letter-spacing:1rem;
    padding:.3rem 0 .3rem 1rem;
    text-decoration:none;
    border-bottom:1px dashed #fff;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -o-user-select: none;
    -ms-user-select: none;
}
.play-box{
  font-size: 10rem;
  font-family:Verdana;
  font-weight: bold;
  position: relative;
  width: 60rem;
  height: 60rem;
  left: calc(50% - 27rem);
  top: -4rem;
}