form { max-width: 720px; margin: 8vh auto; padding: 20px; }
textarea { display: block; box-sizing: border-box; width: 100%; min-height: 45vh; padding: 12px; border: 1px solid #ccc; font: 16px/1.5 monospace; resize: vertical; }
button { margin-top: 12px; padding: 6px 20px; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; }
dialog { border: 1px solid #aaa; padding: 20px; }
dialog form { margin: 0; padding: 0; }
dialog input { display: block; margin: 12px 0; min-width: 260px; }
button + button { margin-left: 8px; }