body{margin:0;padding:0;background:url(/assets/images/background.jpg) no-repeat center center fixed;background-size:cover;height:100vh;display:flex;justify-content:center;align-items:center;overflow:hidden;position:relative}body:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#fffc;z-index:-1}