body{margin:0;font-family:Arial,sans-serif}#map{position:absolute;top:0;right:0;bottom:0;left:200px}#sidebar{position:absolute;top:0;left:0;bottom:0;width:200px;background:#f4f4f4;padding:15px;border-right:1px solid #ccc}#sidebar h2{font-size:16px}#sidebar select{width:100%;padding:5px}