| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
| <html> |
| |
| <head> |
| |
| <title>CSS Test: Margin collapsing with clearance - margins of a 'collapsed through' box with clearance do not collapse with parent block's bottom margin</title> |
| |
| <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins"> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#normal-block"> |
| <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> |
| <link rel="author" title="Bruno Fassino" href="fassino[at]gmail.com"> |
| <link rel="match" href="margin-collapse-clear-012-ref.htm"> |
| |
| <meta content="When an element has had clearance applied to it and its own margins collapse, these margins do not collapse with the bottom margin of the parent block" name="assert"> |
| <meta content="" name="flags"> |
| |
| <style type="text/css"> |
| #rel-pos-wrapper {position: relative;} |
| |
| #parent-lime |
| { |
| background-color: lime; |
| border-top: black solid 1px; |
| width: 50%; |
| } |
| |
| #float-left-blue |
| { |
| background-color: blue; |
| float: left; |
| height: 100px; |
| width: 100px; |
| } |
| |
| #clear-left |
| { |
| clear: left; |
| margin-bottom: 140px; |
| margin-top: 40px; |
| } |
| |
| #next-yellow |
| { |
| background-color: yellow; |
| height: 100px; |
| } |
| |
| .ref-overlapped-red |
| { |
| background-color: red; |
| position: absolute; |
| z-index: -1; |
| } |
| |
| #ref1 |
| { |
| height: 200px; |
| top: 1px; |
| width: 50%; |
| } |
| |
| #ref2 |
| { |
| height: 100px; |
| top: 201px; |
| width: 100%; |
| } |
| </style> |
| |
| </head> |
| |
| <body> |
| |
| <p>Test passes if there is <strong>no red</strong>.</p> |
| |
| <div id="rel-pos-wrapper"> |
| |
| <!-- |
| |
| clearance |
| + |
| margin-top of #clear-left (40px) |
| ==================================== |
| height of #float-left-blue (100px) |
| |
| therefore, clearance is equal to +60px |
| |
| --> |
| |
| <!-- |
| |
| #parent-lime should have height 200px, sum of: |
| |
| 100px : height of #float-left-blue |
| + |
| (140px - 40px) : part of #sole-following-sibling's margin-bottom |
| "exceeding" the amount collapsed with |
| #clear-left's margin-top (140px - 40px) |
| ======= |
| 200px |
| |
| --> |
| |
| <div id="parent-lime"> |
| <div id="float-left-blue"></div> |
| <div id="clear-left"></div> |
| </div> |
| |
| <!-- |
| #next-yellow should immediately follow #parent-lime (no margins in between) |
| --> |
| |
| <div id="next-yellow"></div> |
| |
| <!-- |
| #ref1 and #ref2 boxes create a sort of 'reference rendering' |
| where #ref1 should be covered, overlapped by #parent-lime |
| while #ref2 should be covered, overlapped by #next-yellow. |
| --> |
| |
| <div id="ref1" class="ref-overlapped-red"></div> |
| <div id="ref2" class="ref-overlapped-red"></div> |
| |
| </div> |
| |
| </body> |
| </html> |
