.df { white-space: pre-wrap; word-break: break-word; line-height: 1.6; } .df del { background: #ffd6d6; color: #900; } .df ins { background: #d4f7dc; color: #064; text-decoration: none; } .df h4 { margin: 14px 0 4px; font: 600 13px var(--mono); }