body { background-color: #444; text-align: center; font-family: Arial; color: #fff; } main { border: 1px solid #fff; width: 300px; margin: auto; padding: 20px; border-radius: 10px; } label { font-size: 20px; } form { margin: 20px; } button { background-color: #fff; color: #90F; border-radius: 5px; border: 3px solid #90F; } #sort { width: 150px; height: 100px; margin: auto; border: 1px solid white; }