.promo100 {
    width: 100%;
    float: left
}

.promo50 {
    width: 50%;
    float: left
}

.product-detail .overview .details .promo50 img {
    width: 100%;
    padding: 0 10% 10%
}

.promo_container {
    border: 1px solid #ccc;
    padding: 2%;
    background-color: #f8f8f8
}

.promo50 ul {
    margin-bottom: 40px
}

.attributes_container {
    width: 98%;
    margin-left: 1%;
    float: left;
    background-color: #fff;
    padding: 1%;
    border: 1px solid #ccc
}

.desktop-d {
    display: block
}

.mobile-d {
    display: none
}

@media (max-width:767px) {

    .promo100,
    .promo50 {
        width: 100%
    }

    .promo_container {
        border: 0;
        padding: 0
    }

    .promo50 ul {
        margin-bottom: 20px
    }

    .attributes_container {
        padding: 2%
    }

    .product-detail .overview .details .promo50 img {
        padding: 5%
    }

    .desktop-d {
        display: none
    }

    .mobile-d {
        display: block
    }
}