.quick-view-modal .modal-body .view-thumbnail-slider .slider-image {
    height: auto;
}

@media (max-width: 480px) {
    .main-menu .brand-logo img{
        width:50px;
        height: 50px;
    }
    .basic-product .addtocart_btn .add-button{
        padding:9px 19px;
    }
}