header{ display: flex; flex-direction: row; background-color: #0971C9; } body{ background-color: #0D2350; } h1{ font-family: sans-serif; font-weight: bolder; color: #6da8e2; } .button{ width: 150%; height: 75%; background-color: #FFFEFD; border-radius: 20%; border-color: #0971C9; color: #0D2350; } .button:hover{ background-color: grey; }