@media only screen and (max-width: 1300px) {
    .productv_imagepic{
        width: 200px;
    }
    section{
        clear:both;
        width:100%;
    }
    aside{
        clear:both;
        width:100%;
    }
}
@media only screen and (max-width: 900px) {
    .product_vdetblk{
        padding: 0px;
    }
}

.product_vinfblkspec{
    width: 200px; 
}
.product_vprfblkspec{
    clear: both;
    width: 100%;
    padding: 20px 10px;
}
.product_vimgblkspec{
    width: calc(100% - 200px);
}
.product_vimgtxt{
    max-width: 300px;
}