body,
html {
    width: 100%;
    height: 100%;
}

img {
    width: 100%;
}

.container div {
    margin-bottom: 20px;
    text-align: center;
}

#weixin-tip{display:none;position:fixed;left:0;top:0;background:rgba(0,0,0,0.8);filter:alpha(opacity=80);width:100%;height:100%;z-index:100;}
#weixin-tip p{text-align:center;margin-top:10%;padding:0 5%;position:relative;}
#weixin-tip .close{color:#fff;padding:5px;font:bold 20px/24px simsun;text-shadow:0 1px 0 #ddd;position:absolute;top:0;left:5%;}