.diff-addition {
    background-color: lightgreen;
    border-radius: var(--behnke-basic);
    padding: calc(0.5 * var(--behnke-basic));
    text-decoration: none;
}

.diff-deletion {
    background-color: lightcoral;
    border-radius: var(--behnke-basic);
    padding: calc(0.5 * var(--behnke-basic));
    text-decoration: none;
}