.big-title{font-size:200px}.subtitle{color:#000;font-size:28px}.message{color:grey;font-weight:400;font-size:18px}.page-bg{width:100%;min-height:100vh;background-size:cover;background-position:50%;background-repeat:no-repeat;background-image:url(../img/error.c001c8d1.jpg)}