border-radius.html (598B)
1 <!DOCTYPe html> 2 <meta charset='utf-8'> 3 <title>drag and drop – draggable area boundaries, border-radius</title> 4 <style> 5 a { 6 display: block; 7 height: 200px; 8 width: 200px; 9 background-color: blue; 10 border-radius: 100px; 11 } 12 div { 13 border: 1px solid black; 14 height: 200px; 15 width: 200px; 16 } 17 </style> 18 19 <ol> 20 <li>Try dragging the white area within the black square, outside the blue 21 circle. It should <em>not</em> be draggable.</li> 22 <li>Drag the blue circle below. It should be draggable.</li> 23 </ol> 24 25 <div><a draggable="true" ondragstart="event.dataTransfer.effectAllowed ='copy'"></a></div>