*{margin:0;padding:0;font:normal 100% "微软雅黑",Microsoft YaHei,Arial, Helvetica, sans-serif, "宋体";list-style:none;}
a{ text-decoration:none;}
a:focus {outline-style:none; -moz-outline-style: none;}
a{blr:expression(this.onFocus=this.close());}
a{blr:expression(this.onFocus=this.blur());}
img{ border:0; vertical-align:middle;}
body{ margin:0 auto; padding:0 auto;width:100%;height:100vh;background:#ac6aff url(../img/bg.jpg) center top no-repeat;background-size:100%;}
.main{overflow: hidden;position: relative;}
.button{height:1.2rem;width:5.21rem;position:fixed;left:1.14rem;bottom:1.17rem;display:block;background: url(../img/button.png) no-repeat;background-size: 5.21rem;}