method { padding-bottom: 100px; display: block; border-bottom: 1px solid rgba(0, 0, 0, 0.1); } .methods { display: block; position: relative;; } .methods:before { content: ""; background: rgb(59, 59, 105); height: 100%; width: 40%; top: 0; right: 0; position: absolute; z-index: -1; }