h3 {
    display: inline;
    font-size: inherit;
}

form {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5em;
    margin: 0.5em;
}

label[for="light"],
label[for="color"],
input[type="radio"] {
    align-content: center;
    justify-self: end;
}

input[type="color"] {
    padding: 0;
    height: 2em;
}

button {
    grid-column: 1 / span 2;
    border: 1px solid black;
}

hr {
    grid-column: 1 / span 2;
    width: 100%;
}

input {
    border: 1px solid black;
}