@media (max-width: 640px) {
    ul.social-nav.mob {
        left: -56%;
        bottom: 50px;
        text-align: center;
    }
    .text-right .social .social-nav {
        right: 33px;
        left: unset;
        align-items: unset;
        width: 100%;
        flex-direction: unset;
        margin-top: 24px;
        position: absolute;
        display: block;
    }
    .mob{
        display: block;
    }
    .des{
        display: none;
    }
    .massive {
        font-size: 40pt;
    }
    .f40 {
        font-size: 21pt;
    }
    .btndetailprice{
        width: 100%;
        left: 0;
        position: relative;
        margin-top: 50px;
        margin-bottom: 100px;
    }
    .btndetailprice a{
        width: 47%  !important;
    }
    h1 {
        font-size: 32px;
        font-weight: normal;
    }
    div#carousel {
        margin-bottom: 30px;
    }
    .cd-tab-filter a{
        margin: 0;
    }
    .card-body {
        -ms-flex: 1 1 auto;
        flex: 1 1 auto;
        min-height: 1px;
        padding: 10px 10px 10px;
    }
    .filterfont{
        margin-top: 50px;
    }
    .rangefont{
        margin-top: 40px;
    }
    .belifont{
        margin-top: 30px;
    }
}