#container{background:url(../../images/drcar.jpg) no-repeat;background-color:#aec7e6;background-size:cover;min-height:100vh;padding-top:10vh}.mask{height:100%;left:0;position:absolute;top:0;width:100%;z-index:1}#error_message_area,.mask{background-color:hsla(0,0%,100%,.7)}#error_message_area{padding:1em;position:relative;text-align:center;z-index:2}h2.err_msg{border:none}.err_detail{line-height:1.5}