html, body { display: grid; place-content: center; margin: 0; height: 100%; } main { height: 50vh; width: 300px; text-align: center; } button[type="submit"] { cursor: pointer; width: 100%; outline: none; border: none; padding: 0.5rem 1rem; margin-top: 1rem; border-radius: 0.25rem; background: #0d6efd; font-size: 1.25rem; color: #ffffff; } .checkbox { min-height: 70px; }