table {
    table-layout: fixed;
    border-collapse: collapse;
    width: 90%;
    margin: 25px auto 50px;
    border: 2px solid black;
}

table th + th,
table td + td {
    border-left: 2px solid black;
}

th {
    padding: 1em 0px;
    border-bottom: 2px solid black;
    font-size: 1.7em;
}

td {
    padding: 10px;
    text-align: left;
    vertical-align: top;
}

.title-row {
    border-top: 2px solid black;
    font-size: 125%;
}

.title-row td div.art-text{
    font-size: 80%;
}

del {
    white-space-collapse: preserve;
    background-color: lightcoral;
    text-decoration: none;
}

ins {
    white-space-collapse: preserve;
    background-color: rgb(175, 243, 175);
    text-decoration: none;
}

.deleted {
    background: #ffecec;
}

.inserted {
    background: #eaffea;
}

.changed {
    background: #faf6df;
}

.diff-message {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    background-color: #fff3cd;
    border: 1px solid #f0ad4e;
    border-radius: 4px;
    font-weight: 500;
    color: #856404;
}