| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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| <html> |
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| <head> |
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| <meta http-equiv="content-type" content="text/html; charset=UTF-8"> |
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| <title>Floats and BFCs with horizontal margins</title> |
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| <style type="text/css"> |
| div.container |
| { |
| border: silver solid 5px; |
| margin: 1em; |
| width: 640px; |
| } |
| |
| div.floatL |
| { |
| background-color: lime; |
| float: left; |
| height: 1em; |
| } |
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| div.floatR |
| { |
| background-color: lime; |
| float: right; |
| height: 1em; |
| } |
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| div.overflow |
| { |
| background-color: orange; |
| margin-left: 100px; |
| margin-right: 100px; |
| overflow: auto; |
| } |
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| .width0 {width: 0;} |
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| .width50 {width: 50px;} |
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| .width100 {width: 100px;} |
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| .width150 {width: 150px;} |
| </style> |
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| </head> |
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| <body> |
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| <h1>Margins and block formating contexts (<a href="http://lists.w3.org/Archives/Public/www-style/2012Feb/0975.html">additional tests from Alan Gresley</a>)</h1> |
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| <!-- |
| non-positioned block boxes created before and after the float box |
| flow vertically as if the float did not exist. |
| http://www.w3.org/TR/CSS21/visuren.html#floats |
| |
| The border box of (...) an element in the normal flow that |
| establishes a new block formatting context (such as an element with |
| 'overflow' other than 'visible') must not overlap the margin box of |
| any floats in the same block formatting context as the element itself. |
| http://www.w3.org/TR/CSS21/visuren.html#floats |
| --> |
| |
| <h3>The orange stripe has 'overflow: auto', 'margin-left: 100px' and 'margin-right: 100px'<br> The lime stripes are floats with various width (topmost is 0, bottommost is 150px)<br>The wrapping container has a solid silver border.</h3> |
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| <div class="container"><div class="width0 floatL">floatL</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width50 floatL">floatL</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width100 floatL">floatL</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width150 floatL">floatL 150px</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width0 floatR">floatR</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width50 floatR">floatR</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width100 floatR">floatR</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
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| <div class="container"><div class="width150 floatR">floatR 150px</div><div |
| class="overflow"><div> with 'overflow: auto'</div></div> |
| |
| <!-- |
| non-positioned block boxes created before and after the float box |
| flow vertically as if the float did not exist. |
| http://www.w3.org/TR/CSS21/visuren.html#floats |
| |
| The border box of (...) an element in the normal flow that |
| establishes a new block formatting context (such as an element with |
| 'overflow' other than 'visible') must not overlap the margin box of |
| any floats in the same block formatting context as the element itself. |
| http://www.w3.org/TR/CSS21/visuren.html#floats |
| --> |
| |
| <h3>The orange stripe has 'overflow: auto', 'margin-left: auto' and 'margin-right: auto'<br> The lime stripes are floats with various width (topmost is 0, bottommost is 150px)<br>The wrapping container has a solid silver border.</h3> |
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| </body> |
| </html> |
