| <!DOCTYPE html> |
| <style> |
| .bg { |
| position: relative; |
| display: inline-block; |
| width: 170px; |
| height: 100px; |
| background-image: url('resources/red-border.png'); |
| } |
| .fg { |
| position: absolute; |
| left: 5px; |
| top: 5px; |
| width: 160px; |
| height: 90px; |
| } |
| </style> |
| <div class="bg"><div class="fg"></div></div> |
| <div class="bg"><div class="fg" style="backdrop-filter: blur(3px);"></div></div> |
| <div class="bg"><div class="fg" style="backdrop-filter: blur(6px);"></div></div> |
| <div class="bg"><div class="fg" style="backdrop-filter: blur(12px);"></div></div> |
| <div class="bg"><div class="fg" style="backdrop-filter: blur(24px);"></div></div> |
| <div class="bg"><div class="fg" style="backdrop-filter: blur(48px);"></div></div> |
