:where(.brxe-heading).has-separator{align-items:center;display:inline-flex;gap:20px}:where(.brxe-heading)>[contenteditable]{display:inline-block;text-decoration:inherit}:where(.brxe-heading) .separator{border-top:1px solid;flex-grow:1;flex-shrink:0;height:1px}h3{ font-size: 2em; margin-top: 1.5em; margin-bottom: .4em;}h4{ font-size: 1.5em;}