@media screen and (max-width: 319px) {
    .back-to-top{
        bottom: 10px !Important;
    }
    .back-to-top.active{
        color: #da2128;
        background-color: #ffffffb8 !important;
    }
    .absolute-footer.dark{
        margin-bottom: 60px;
    }
    section.tongquan table tr td:first-child{
        width: 45% !Important;
    }
    section.tongquan h2{
        font-size: 25px;
    }
    .message-box .basic-title span{
        font-size: 100% !Important;
    }
    .banggia a.button{
        font-size: 13px;
    }
    .lightbox-content{
        padding: 20px 0px !Important;
    }
    .tongquan_desc{
        padding: 20px 0px;
    }
    section.lydo .section-content .small-6{
        flex-basis: 100%;
        max-width: 100%;
    }
    section.gia h2,
    section.nhamau h2,
    section.tiendo h2,
    section.chudattu-phatdat h2,
    section.tongquan h2,
    section.vitri h2,
    section.tienich h2,
    .phankhu_vinhomes_saigon_park h2{
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 20px;
    }
    section.gia .col-inner{
        padding: 20px 5px !Important;
    }
    section.tongquan{
        padding: 20px 10px;
    }
    #dangky .col{
        padding-bottom: 15px;
        margin-bottom: 0px;
    }
    .ha_tang_thu_thiem h2{
        margin-top: 0px;
        line-height: 40px;
        font-size: 20px;
    }
    .ha_tang_thu_thiem .row-full-width .small-6{
        flex-basis: 100%;
        max-width: 100%;
    }
    .message-box{
        padding-left: 0px;
        padding-right: 0px;
    }
}
@media (min-width: 320px) and (max-width: 480px) {
    .back-to-top{
        bottom: 10px !Important;
    }
    .back-to-top.active{
        color: #da2128;
        background-color: #ffffffb8 !important;
    }
    .absolute-footer.dark{
        margin-bottom: 60px;
    }
    section.tongquan table tr td:first-child{
        width: 45% !Important;
    }
    section.tongquan h2{
        font-size: 25px;
    }
    .message-box .basic-title span{
        font-size: 100% !Important;
    }
    .banggia a.button{
        font-size: 13px;
    }
    .lightbox-content{
        padding: 20px 0px !Important;
    }
    .tongquan_desc{
        padding: 20px 0px;
    }
    section.lydo .section-content .small-6{
        flex-basis: 100%;
        max-width: 100%;
    }
    section.gia h2,
    section.nhamau h2,
    section.tiendo h2,
    section.chudattu-phatdat h2,
    section.tongquan h2,
    section.vitri h2,
    section.tienich h2,
    .phankhu_vinhomes_saigon_park h2{
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 20px;
    }
    section.gia .col-inner{
        padding: 20px 5px !Important;
    }
    section.tongquan{
        padding: 20px 10px;
    }
    #dangky .col{
        padding-bottom: 15px;
        margin-bottom: 0px;
    }
    .ha_tang_thu_thiem h2{
        margin-top: 0px;
        line-height: 40px;
        font-size: 20px;
    }
    .ha_tang_thu_thiem .row-full-width .small-6{
        flex-basis: 100%;
        max-width: 100%;
    }
    .message-box{
        padding-left: 0px;
        padding-right: 0px;
    }
}
@media (min-width: 481px) and (max-width: 768px) {
    .back-to-top{
        bottom: 10px !Important;
    }
    .back-to-top.active{
        color: #da2128;
        background-color: #ffffffb8 !important;
    }
    .absolute-footer.dark{
        margin-bottom: 60px;
    }
    section.tongquan table tr td:first-child{
        width: 45% !Important;
    }
    section.tongquan h2{
        font-size: 25px;
    }
    .message-box .basic-title span{
        font-size: 100% !Important;
    }
    .banggia a.button{
        font-size: 13px;
    }
    .lightbox-content{
        padding: 20px 0px !Important;
    }
    .tongquan_desc{
        padding: 20px 0px;
    }
    section.lydo .section-content .small-6{
        flex-basis: 100%;
        max-width: 100%;
    }
    section.gia h2,
    section.nhamau h2,
    section.tiendo h2,
    section.chudattu-phatdat h2,
    section.tongquan h2,
    section.vitri h2,
    section.tienich h2,
    .phankhu_vinhomes_saigon_park h2{
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 20px;
    }
    section.gia .col-inner{
        padding: 20px 5px !Important;
    }
    section.tongquan{
        padding: 20px 10px;
    }
    #dangky .col{
        padding-bottom: 15px;
        margin-bottom: 0px;
    }
    .ha_tang_thu_thiem h2{
        margin-top: 0px;
        line-height: 40px;
        font-size: 20px;
    }
    .ha_tang_thu_thiem .row-full-width .small-6{
        flex-basis: 100%;
        max-width: 100%;
    }
    .message-box{
        padding-left: 0px;
        padding-right: 0px;
    }
}
@media (min-width: 768px) and (max-width: 849px) {

}
@media (min-width: 850px) and (max-width: 1020px) {

}