@media screen and (max-width: 319px) {
    .back-to-top{
        bottom: 90px !Important;
    }
    .back-to-top.active{
        color: #e5c079;
        background-color: #0d7486 !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;
    }
    .logo-center .logo{
        margin-left: 0px;
    }
    .message-box.dark{
        padding: 0px;
    }
    .form_csbh .dark{
        padding: 20px !Important;
    }
    #logo img{
        margin: 0px;
    }

    .gioithieu_box h1{
        font-size: 27px;
    }
    .text_mota_cuoi{
        font-size: 23px !Important;
    }
    .chinhsach_banhang h2,
    .section.tongquan h2,
    section.vitri h2,
    section.matbang h2,
    section.tienich h2,
    section.thietke h2,
    section.nhamau h2,
    .block_form_ngang strong,
    section.gia h2,
    section.tiendo h2{
        font-size: 25px !Important;
    }
    section.gia .col-inner{
        padding: 20px 15px !Important;
    }
    .title_modal{
        font-size: 18px;
    }
    #dangky p{
        font-size: 13px;
    }
    .lightbox-content,
    #dangky .form-action .col-inner{
        padding: 10px !Important;
    }
    .box_tongquan{
        margin: auto;
        width: 90%;
    }
    .section.tongquan{
        padding-top: 30px !Important;
    }
}
@media (min-width: 320px) and (max-width: 480px) {
    .back-to-top{
        bottom: 90px !Important;
    }
    .back-to-top.active{
        color: #e5c079;
        background-color: #0d7486 !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;
    }
    .logo-center .logo{
        margin-left: 0px;
    }
    .message-box.dark{
        padding: 0px;
    }
    .form_csbh .dark{
        padding: 20px !Important;
    }
    #logo img{
        margin: 0px;
    }

    .gioithieu_box h1{
        font-size: 27px;
    }
    .text_mota_cuoi{
        font-size: 23px !Important;
    }
    .chinhsach_banhang h2,
    .section.tongquan h2,
    section.vitri h2,
    section.matbang h2,
    section.tienich h2,
    section.thietke h2,
    section.nhamau h2,
    .block_form_ngang strong,
    section.gia h2,
    section.tiendo h2{
        font-size: 25px !Important;
    }
    section.gia .col-inner{
        padding: 20px 15px !Important;
    }
    .title_modal{
        font-size: 18px;
    }
    #dangky p{
        font-size: 13px;
    }
    .lightbox-content,
    #dangky .form-action .col-inner{
        padding: 10px !Important;
    }
    .box_tongquan{
        margin: auto;
        width: 90%;
    }
    .section.tongquan{
        padding-top: 30px !Important;
    }
}
@media (min-width: 481px) and (max-width: 768px) {
    .back-to-top{
        bottom: 90px !Important;
    }
    .back-to-top.active{
        color: #e5c079;
        background-color: #0d7486 !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;
    }
    .logo-center .logo{
        margin-left: 0px;
    }
    .message-box.dark{
        padding: 0px;
    }
    .form_csbh .dark{
        padding: 20px !Important;
    }
    #logo img{
        margin: 0px;
    }

    .gioithieu_box h1{
        font-size: 27px;
    }
    .text_mota_cuoi{
        font-size: 23px !Important;
    }
    .chinhsach_banhang h2,
    .section.tongquan h2,
    section.vitri h2,
    section.matbang h2,
    section.tienich h2,
    section.thietke h2,
    section.nhamau h2,
    .block_form_ngang strong,
    section.gia h2,
    section.tiendo h2{
        font-size: 25px !Important;
    }
    section.gia .col-inner{
        padding: 20px 15px !Important;
    }
    .title_modal{
        font-size: 18px;
    }
    #dangky p{
        font-size: 13px;
    }
    .lightbox-content,
    #dangky .form-action .col-inner{
        padding: 10px !Important;
    }
    .box_tongquan{
        margin: auto;
        width: 90%;
    }
    .section.tongquan{
        padding-top: 30px !Important;
    }
}
@media (min-width: 768px) and (max-width: 849px) {
    .back-to-top{
        bottom: 90px !Important;
    }
    .back-to-top.active{
        color: #e5c079;
        background-color: #0d7486 !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;
    }
    .logo-center .logo{
        margin-left: 0px;
    }
    .message-box.dark{
        padding: 0px;
    }

    .gioithieu_box h1{
        font-size: 27px;
    }
    .text_mota_cuoi{
        font-size: 23px !Important;
    }
    .chinhsach_banhang h2,
    .section.tongquan h2,
    section.vitri h2,
    section.matbang h2,
    section.tienich h2,
    section.thietke h2,
    section.nhamau h2,
    .block_form_ngang strong,
    section.gia h2,
    section.tiendo h2{
        font-size: 25px !Important;
    }
    section.gia .col-inner{
        padding: 20px 15px !Important;
    }
    .title_modal{
        font-size: 18px;
    }
    #dangky p{
        font-size: 13px;
    }
    .lightbox-content,
    #dangky .form-action .col-inner{
        padding: 10px !Important;
    }
    .box_tongquan{
        margin: auto;
        width: 90%;
    }
    .section.tongquan{
        padding-top: 30px !Important;
    }
}
@media (min-width: 850px) and (max-width: 1020px) {

}