* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

body {
    user-select: none;
    max-width: 360px;
    margin: 0 auto;
}

h1,
form {
    margin: 1rem auto;
}

form {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
}

form button {
    grid-column: span 2;
    cursor: pointer;
}