@media screen and (max-width: 600px) {

 .header-product-div div {
    overflow: hidden;
    width: 100%;
    /* margin: 30px auto;
    float: left; */
}

#product-about{
    width: 95%;
    display: block;
    margin: auto;
    padding: 0px 0;
}

#brand-menu {
    display: none;
    position: fixed;
    width: 25%;
    top: 77px;
    left: 0;
    background: #ffffff;
    padding: 2.5% 2.5%;
}

.header-product {
    width: 100%;
    margin: auto;
    overflow: hidden;
}


}