.wrap{
    padding: 10px;
}

.pro-list{
    width: 100%;
    float: left;
    clear: both;
}
.pro-list li{
    width: 47%;
    height: 100px;
    float: left; 
    margin-right: 3%;
    margin-top: 5%;
}
.pro-list li.li0{
    margin-right: 0;
    margin-left: 3%;
}
.pro-list li .img{
    width: 100%;
    height: 100px;
    clear: both;
    float: left;
}