body{font-family:Arial,sans-serif;background:#f3f3f3;margin:20px}
.wrap{display:flex;gap:16px}.wrap textarea{width:50%;height:550px;font-family:Consolas,monospace}
.opts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:15px 0}
.buttons{margin-top:15px}button{padding:10px 18px;margin-right:10px;cursor:pointer}