*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑;
}
a{ text-decoration:none;}
ul,li{ list-style:none; }


.fixed{width:100%;height:270px;position:fixed;bottom:0;background:rgba(255, 103, 23, 0.5);z-index:1;} 
.close 
{
    width: 33px; 
    height: 33px;  
    position: absolute; 
    left:60px; 
    top: 20px; 
    cursor: pointer;  
    text-align: center;
    background-color: #fff;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
    border-radius: 33px; 
    line-height:33px;
}