.br-header { background: radial-gradient(circle farthest-side at 24% 93%, #2ce2cd, #0c31a3); background-color: #37a3c5; } .jumbotron { background: transparent; color: #fff; text-align: left; padding: 5rem 1rem; } .listingblock > .title { margin-left: 10%; margin-right: 10%; margin-top: 1em; padding-top: .5em; margin-bottom: -.5em; border-width: 1px 0 0 0; border-color: #dddddd; text-align: center; border-style: solid; } pre > code { font-size: 100%; } code, pre { font-size: 85%; color: #656565; } div { display: block; }