body{font:14px/1.5 'microsoft yahei';margin:0;color:#fff;background:#0d0d0e url(bg.jpg) no-repeat center top}
a{text-decoration:none}a:hover{text-decoration:none}
h2{font-size:60px;margin:0}p{font-size:18px;margin:0}
.context{
width:1000px;min-height:550px;padding:200px 50px;margin:auto;
background:url(img.png) no-repeat -410px 120px;
transition: background 3s ease;
}
.context.bg_move {background-position:right 120px}
.h1,.h2 {margin:0}
.h1 {font-size:72px;}
.h2 {font-size:36px;}
.Box_btn {padding-top:130px;}
.Box_btn .code {float:left;margin-right:30px;}
.Box_btn a {display:block;margin-bottom:30px;}