*{
        margin:0; 
        padding:0;
    }
    a{
        text-decoration: none;
    }
    img{
        max-width: 100%; 
        height: auto;
    }
    .weixin-tip{
        display: none; 
        position: fixed; 
        left:0; 
        top:0; 
        bottom:0; 
        background: rgba(0,0,0,0.8); 
        filter:alpha(opacity=80);  
        height: 100%; 
        width: 100%; 
        z-index: 100;
    }
    .weixin-tip p{
        text-align: center; 
        margin-top: 10%; 
        padding:0 5%;
    }