body {
    min-width: 18em;
}

input[type="color"] {
    padding: 2px 3px;
}

#content div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.5em 0 0.5em 0;
}

#content div > input {
    flex-basis: 6em;
}