header{ background-color: black; display: block; color: black; margin-left: auto; margin-right: inherit; width: 100%; height: 75%; } button{ background-color: white; color: black; text-align: center; position: fixed; margin: inherit; display: inline-block; line-height: 20px; float: center; width: 10%; height: 15%; font-size: 16px; border-radius: 12px; padding: 1px 10px; transform: translate(350%, 50%); font-family: monospace; font-style: oblique; font-weight: bolder; } body{ display: block;