:root {
    --form-element-spacing-vertical: .15rem;
    --form-element-spacing-horizontal: 1rem;
    --border-radius: .10rem;
    --line-height: 1.3;
}

footer {
    text-align: right;
}

textarea {
    height: 80vh; 
    font-family: monospace;
}

header button {
    margin-top: var(--spacing);
}

header a {
    display: block;
    margin-top: var(--spacing);
    margin-bottom: var(--spacing);
    text-align: center;
}