| <!DOCTYPE html> |
| <style> |
| body,html { |
| margin: 0; |
| width: 100%; |
| height: 100%; |
| } |
| |
| .sticky { |
| background: green; |
| position: sticky; |
| bottom: 50vh; |
| width: 100px; |
| height: 10%; |
| } |
| |
| .spacer { |
| height: 90%; |
| } |
| .long { |
| height: 600vh; |
| } |
| |
| .position-parent { |
| position: absolute; |
| display: flex; |
| align-items: center; |
| justify-content: center; |
| width: 100%; |
| height: 100%; |
| top: 100vh; |
| background-color: lightgrey; |
| } |
| |
| .container { |
| width: 100px; |
| height: 100%; |
| background-color: grey; |
| } |
| |
| button { |
| position: fixed; |
| left: 20px; |
| top: 20px; |
| } |
| |
| .fixed { |
| position: fixed; |
| top: 25vh; |
| } |
| </style> |
| |
| <div class="position-parent"> |
| <div class="container"> |
| <div class="spacer"></div> |
| <div class="sticky"></div> |
| </div> |
| </div> |
| <div class="long"></div> |
| <button id="button">Toggle Fixed</button> |
| </html> |
