| .contents { border:2px solid skyblue; background-color:#cccccc; margin-block-start:6px; margin-block-end:6px } |
| .fieldset { vertical-align:bottom; inline-size:320px; position:relative; display:inline-block; padding:40px; padding-block-start:0} |
| .legend { block-size:64px; inline-size: 284px; margin-block-end:34px;background-color:#3080f0; border:8px solid lightblue; font-size:48px } |
| .behind-box { position:absolute; border:12px solid navy; z-index:-1 } |
| <div class="behind-box" style="left:0; top:34px; right:0; bottom:0;"></div> |
| <div class=legend>Legend Title</div> |
| <div class=contents>Fieldset Contents</div> |
| <div class=contents>More Fieldset Contents</div> |