body { margin: 2vh auto; max-width: 800px; color:#00072D; background-color: #C2EAFF; } h1, footer { text-align: center; } a { color: #87B37A; text-decoration: none; } a:hover { text-decoration:underline; } .center { display: block; margin-left: auto; margin-right: auto; width: 60%; } .header{ margin: 1em 0; display: block; width:100%; } .navbar{ display: flex; justify-content: space-between; font-weight: bold; }