.valign-center {
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    justify-content: center;
}
.o-hidden{
    overflow: hidden;
}
video{
    max-width: 100%;
}
@media (max-width:1025px) {
    #nav-header {
        display: none;
    }
}
@media (max-width:1200px) {
    #nav-header>li>a {
        font-size: 12px;
    }
}
@media (min-width:700px) {
    .page-template-template-khoa-hoc #contact-ct .tab-content {
        margin: 15px 0 0 !important;
        padding: 65px 0 25px 0 !important;
    }
    .valign-center-lg-top{
        display: flex;
        /*align-items: center;*/
        justify-content: center;
    }
    .nq-item .col-md-10 {
        padding: 0;
    }
    .pp-content .col-md-9,.kh-item .col-md-9 {
        padding-left: 0;
    }
    .home-content4-img {
        margin-top: -62px;
    }
    .box-3-item .p-middle {
        margin: 0 50px;
    }
    a.btn + a.btn {
        margin-left: 15px;
    }
    .p-r-0{
        padding-right: 0;
    }
    .slider-feedback .slick-dots {
        left: -100%;
        bottom: -20%;
    }
    .m-t-150{
        margin-top: -150px;
    }
    #home-feedback img.img-feedback{
        margin-left: -200px;
    }
    .slider-video-home .slick-dots{
        right: -5%;
        width: auto;
        bottom: -10%;

    }
    .btn-width-80 {
        width: 80%;
    }
    .btn-width-100 {
        width: 100%;
    }
    .flex-end {
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-align-items: flex-end;
        -ms-flex-align: flex-end;
        align-items: flex-end;
    }
    .flex-start {
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-align-items: flex-start;
        -ms-flex-align: flex-start;
        align-items: flex-start;
    }
    .valign-center-lg {
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-align-items: center;
        -ms-flex-align: center;
        align-items: center;
        justify-content: center;
    }
    .p-r-0 {
        padding-right: 0;
    }
    .p-l-0 {
        padding-left: 0;
    }
    .pull-right-lg{
        float: right !important;
    }
    .col-sm-2-5{
        float: left;
        width: 20%;
        padding: 0 15px;
    }
    .padding-l-0-lg{
        padding-left: 0;
    }
    
    .text-left{
        text-align: left !important
    }
    #footer ul.ft-ul-center {
        margin: 0 auto;
        display: table;
        text-align: center;
    }

}

@media (max-width:992px) {
    .navbar-toggle.btnMobile {
        display: block !important;
        position: absolute;
        right: 0;
        top: 0;
        z-index: 1;
    }
    .navbar-toggle.btnMobile span{
        background: #000;
    }
}

@media (min-width:1441px) {
    .topbar:before{
        width: 30%;
    }
}
@media (min-width:1881px) {
    .topbar:before{
        width: 33%;
    }
}
@media only screen and (min-device-width:768px) and (max-device-width:1024px) and (orientation:landscape) {
    #nav-header>li>a, #nav-contact>li a {
        font-size: 10px;
    }
}

@media only screen and (min-device-width:768px) and (max-device-width:1024px) and (orientation:portrait) {
    .btnMobile {
        margin-top: 20px;
    }
    #nav-main .navbar-brand {
        margin-top: 15px;
    }
    #nav-header, #nav-contact{
        padding: 0;
    }
    #nav-header>li>a, #nav-contact>li a {
        padding: 15px 0;
    }
    #nav-header>li, #nav-contact>li{
        padding: 10px 5px;
    }

}

@media only screen and (min-device-width:1024px) and (max-device-width:1366px) and (orientation:landscape) {

}

@media only screen and (min-device-width:1024px) and (max-device-width:1366px) and (orientation:portrait) {
    #nav-header>li>a, #nav-contact>li a {
        font-size: 12px;
    }
}

@media (max-width:767px) {
    .valign-center-xs {
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-align-items: center;
        -ms-flex-align: center;
        align-items: center;
        justify-content: center;
    }
    body{
        padding-top: 70px;
    }
    .btnMobile .icon-bar:last-child{
        width: 15px;
    }
    #sidebar .clearfix div>ul>li ul li {
        padding: 5px;
    }
    #sidebar .clearfix div>ul>li ul a {
        white-space: normal;
        text-transform: uppercase;
        color: inherit;
        padding: 8px;
    }
    .padding-50 {
        padding: 15px 0;
    }
    .padding-15 {
        padding: 5px 0;
    }
    .text-center-xs {
        text-align: center;
    }
    .navbar-brand {
        display: block !important;
    }
    .navbar-brand img{
        width: auto !important;
        height: 50px;
    }
    .btnMobile {
        margin-top: 10px;
    }
    #nav-main .navbar-brand {
        margin: 10px 15px;
    }
    .center-xs {
        text-align: center;
    }
    h1 {
        font-size: 24px !important;
    }
    h2 {
        font-size: 22px !important;
    }
    h3 {
        font-size: 20px !important;
    }
    h4 {
        font-size: 18px !important;
    }
    h5 {
        font-size: 16px !important;
    }
    .slick-prev{
        display: none !important;
        left: 15px !important;
    }
    .slick-next{
        display: none !important;
        right: 15px !important;
    }
    .box-item {
        margin-bottom: 50px;
    }
    .quote-left {
        left: 0;
    }
    .quote-right {
        right: 0;
        bottom: 15px;
    }
    .five-item p.num {
        text-align: center;
        font-size: 50px;
        position: static;
    }
    .five-item-title {
        text-align: center;
        position: static;
        margin: 10px 0;
    }
    .five-item-title br{
        display: none;
    }
    .five-item-des {
        height: auto;
    }
    .frmRegister .checkbox {
        margin-top: 0;
        margin-bottom: 15px;
    }
    #home-content4 {
        padding: 25px 0;
    }
    .home-content4-img {
        margin-top: 15px;
        width: 150px;
        margin: 15px auto 0;
        display: block;
    }
    .frmRegister .form-item {
        margin-bottom: 15px;
    }
    .home-banner-left {
        margin-bottom: 20px;
    }
    #home-banner {
        padding-bottom: 25px;
    }
    #footer ul{
        margin-bottom: 0;
    }
    #footer ul li{
        margin-bottom: 5px;
    }
    .about-content1,.about-content2,.about-content3{
        padding: 10px 15px;
        margin: 0;
        margin-bottom: 0;
        text-align: left;
    }
    .about-content1 strong,.about-content2 strong,.about-content3 strong{
        position: static;
    }
    #about {
        padding: 25px 0;
    }
    #about .has-feedback strong{
        margin: 0 auto;
        display: table;
        width: 100%;
        text-align: center;
    }
    #home-content3 .list-five-item, #home-content4{
        margin: 0;
        padding: 25px 0 0;
    }
    #home-content5{
        padding: 15px 0;
    }

    .form-group .checkbox-inline+.checkbox-inline, .form-group .radio-inline+.radio-inline {
        margin-top: 0;
        margin-left: 0;
    }
    #footer ul.ad li{
        float: left;
        width: 100%;
    }
    .home-content4-left-title strong {
        font-size: 13px;
        display: table;
        margin: 0 auto;
    }
    .kh-item .text-right {
        text-align: center !important
    }
    .home-content4-left-title br{
        display: none !important;
    }
    .home-content4-left-title {
        text-align: left !important
    }

    .form-item input[type=checkbox] {
        margin-top: 1px;
        
    }
}
@media (max-width:480px) {
    h1 {
        font-size: 22px !important;
    }
    h2 {
        font-size: 20px !important;
    }
    h3 {
        font-size: 18px !important;
    }
    h4 {
        font-size: 16px !important;
    }
    h5 {
        font-size: 14px !important;
    }
    .btnMobile {
        margin-top: 15px;
    }

}

@media (max-width:320px) {

}