| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .container { |
| position: relative; |
| width: 30px; |
| height: 30px; |
| margin: 20px; |
| border: 1px solid silver; |
| } |
| |
| .box { |
| position: absolute; |
| background-color: gray; |
| } |
| |
| .shadow { |
| position: absolute; |
| background-color: blue; |
| } |
| </style> |
| </head> |
| <body> |
| <div class="container"> |
| <div class="shadow" style="left: 0; top: 0; width: 12px; height: 12px;"></div> |
| <div class="box" style="left: 1px; top: 1px; width: 10px; height: 10px;"></div> |
| </div> |
| |
| <div class="container"> |
| <div class="shadow" style="left: 0.5px; top: 0.5px; width: 11px; height: 11px;"></div> |
| <div class="box" style="left: 1px; top: 1px; width: 10px; height: 10px;"></div> |
| </div> |
| |
| <div class="container"> |
| <div class="shadow" style="left: 0.5px; top: 0.5px; width: 11.5px; height: 11.5px;"></div> |
| <div class="box" style="left: 1px; top: 1px; width: 10.5px; height: 10.5px;"></div> |
| </div> |
| |
| </body> |
| </html> |
