.product{
    width: 90%;
    height: auto;
    margin: 0 auto;
}
.product .product-left{
    width: 200px;
    float: left;
}
.product .product-left ul {
    font-size: 15px;
    color: #3F3F3F;
    padding: 10px;
    border: 1px solid #f8f8f8;
 }
.product .product-left ul  li{
    line-height: 30px;
}
.product .product-right{
    float: left;
}