.content404 {
    text-align: center;
    color: #fff;
    font-size: 26px;
    line-height: normal;
}
.content404 h1 {
    font-size: 80px !important;
    color: var(--primary-color) !important;
    font-weight: bold !important;
    margin-bottom: 30px !important;
    line-height: normal;
}
.page .page-inner h1:after{
    display: none !important;
}
.content404 span.intro {
    text-align: center;
    color: #fff;
    font-size: 26px;
    line-height: normal;
    border-top: 1px solid var(--primary-color);
    padding: 10px;
    border-bottom: 1px solid var(--primary-color);
}
.content404 h2 {
    font-size: 35px;
    padding-bottom: 22px;
    border-bottom: 1px dashed;
    margin-top: 50px;
    margin-bottom: 35px;
}
.content404 ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.content404 ul li {
    display: inline-block;
    margin-bottom: 15px;
    line-height: 24px;
    margin-left: 0 !important;
}
.content404 ul li a {
    display: block;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-transform: capitalize;
    padding: 86px 20px 0;
    background: url(https://hocnauan.edu.vn/wp-content/uploads/2020/08/icon-hocnauan-trang-chu.png) no-repeat center top;
}
.content404 ul li a:hover{
    color: var(--primary-color);
}
.content404 strong{
    color: var(--primary-color);
}
.content404 ul li.daotao a {
    background: url(https://hocnauan.edu.vn/wp-content/uploads/2023/05/icon-dao-tao-hoc-nau-an.png) no-repeat center top;
}
.content404 ul li.tintuc a {
    background: url(https://hocnauan.edu.vn/wp-content/uploads/2020/08/icon-hocnauan-cong-thuc.png) no-repeat center top;
}
.content404 ul li.congthuc a {
    background: url(https://hocnauan.edu.vn/wp-content/uploads/2020/08/icon-hocnauan-cong-thuc.png) no-repeat center top;
}
.content404 ul li.dangky a {
    background: url(https://hocnauan.edu.vn/wp-content/uploads/2020/08/icon-hocnauan-dang-ky.png) no-repeat center top;
}
@media (max-width: 499px){
    .content404 span.intro{
        font-size: 15px;
    }
    .content404 h2{
        font-size: 30px;
    }
}