* { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }

div.custom_code { border: 1px solid black; }
div.custom_code h4 { margin-top: 0; padding: 0; }
div.custom_code h4 span { background-color: #779; color: #fff; text-align: center; width: 100%; display: inline-block; padding: 5px; }
div.custom_code ul { padding-left: 40px; padding-right: 40px; }