.tin-tuc-intro {
    height: auto;
}

.flex {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flexbox;
    display: flex;
}

.tin-tuc-item {
    height: 100%;
}

.flex-wrap {
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.flex-center {
    display: flex;
    align-items: center;
}

.mrb30 {
    margin-bottom: 30px;
}

.loai-hinh {
    margin: 30px 0;
    position: relative;
    z-index: 9;
}

.loai-hinh ul {
    text-align: center;
    margin: 0;
    padding: 0;
}

.loai-hinh ul li {
    display: inline-block;
    margin: 0 5px 5px;
}

.loai-hinh ul li a {
    font-size: 18px;
    color: #333;
    background: #eee;
    display: block;
    padding: 7px 15px;
    border-radius: 7px;
}

.loai-hinh ul li a:hover {
    background: #f9c535;
    color: #fff;
    text-decoration: none;
}

.img-caption {
    position: relative;
    margin: 0 0 20px;
}

.img-caption p {
    position: absolute;
    background: rgba(0, 0, 0, 0.53);
    padding: 15px;
    color: #fff;
    width: 60%;
    bottom: 15px;
    left: 0;
}

#main-nav .nav-hotline li span,
#main-nav .nav-hotline li a {
    display: inline-block;
    cursor: text;
}

@media (max-width: 767px) {
    .img-caption span {
        width: 100%;
    }
    .language {
        position: absolute;
        right: 70px;
        top: 11px;
    }
    #main-nav .nav-hotline {
        padding: 10px 20px 0;
    }
    #main-nav .nav-hotline li {
        width: 100%;
    }
    #main-nav .nav-hotline li.tai-lieu a {
        margin: 0;
        border: none;
        padding: 7px 0;
    }
    #main-nav .nav-hotline li span {
        display: inline-block;
        font-size: 12px;
        -webkit-text-size-adjust: none;
        white-space: nowrap;
    }
    #main-nav .nav-hotline li span,
    #main-nav .nav-hotline li a {
        font-size: 12px;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    #main-nav .nav {
        margin-top: 80px;
    }
}

.hotline-mobile {
    display: none
}

@media (max-width: 767px) {
    .close-hotline {
        position: absolute;
        top: -15px;
        right: 0px;
        z-index: 9;
        color: #d29959;
        font-size: 25px;
    }
    .hotline-mobile {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 15px;
        background: rgba(0, 0, 0, 0.8);
        z-index: 100
    }
    .hotline-mobile a {
        color: #fff;
        text-align: center;
        padding: 7px;
        text-transform: uppercase;
        display: block;
        background: #d29959
    }
}