| <!DOCTYPE html> | |
| <title>CSS Backdrop Filters Animation: Opacity</title> | |
| <link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org"> | |
| <style> | |
| .square { | |
| position: absolute; | |
| width: 100px; | |
| height: 100px; | |
| top: 100px; | |
| left: 100px; | |
| background: blue; | |
| } | |
| .greenbox { | |
| position: absolute; | |
| width: 50px; | |
| height: 50px; | |
| top: 125px; | |
| left: 125px; | |
| background: green; | |
| } | |
| </style> | |
| <p>You should see a blue square with a green box inside.</p> | |
| <div class="square"></div> | |
| <div class="greenbox"></div> |