@media only screen and (max-width: 900px) {
    .product-item-f .product-thumbnail {
        height: 200px;
    }
    img.img_quy_trinh {
        display: none;
    }
    .item_title_slider3.stt1 {
         margin-left: 0px !important;
    }
    .item_title_slider3.stt2 {
        margin-left: 0px !important;
    }
    .item_title_slider3.stt3 {
        margin-left: 0px !important;
    }
    .item_title_slider3.stt4 {
        margin-left: 0px !important;
    }
    .item_title_slider3.stt5 {
        margin-left: 0px !important;
    }
    .item_title_slider3.stt6 {
        margin-left: 0px !important;
    }
    .tabbed-content.quy_trinh {
        margin-left: 20px;
    }
    .border-radius-quy-trinh-s {
        margin-top: 2px !important;
    }
    .tabbed-content.quy_trinh .nav-vertical+.tab-panels {
        margin-left: -10px !important;
    }
}