nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:#fff;height:54px}.content-container{padding-top:54px;width:100%}.page-wrapper{max-width:800px;width:100%;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem;position:relative}main{padding-top:0}body{background-color:#f8f9fa}h1{color:#343a40}