.page_404{padding:40px 0;background:#fff;font-family:'Montserrat',serif;
        text-align: center;
        max-width: 800px;
        margin: 0 auto;}
    .page_404 img{width:100%}
    .four_zero_four_bg{background-image:url('error_man.gif');height:400px;background-position:center;background-repeat: no-repeat;}
    .four_zero_four_bg h1{font-size:80px}
    .four_zero_four_bg h3{font-size:80px}
    .link_404,.link_youtube{color:#fff!important;padding:10px 20px;background:#39ac31;margin:20px 0;display:inline-block;cursor:pointer;text-decoration: none}
    .link_404:hover,.link_youtube:hover{opacity: .8;}
    .link_youtube{background-color:#f00600}
    .contant_box_404{margin-top:-50px}