110 lines
3.4 KiB
HTML
110 lines
3.4 KiB
HTML
<!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">
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div.container
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{
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border: silver solid 5px;
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margin: 1em;
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width: 640px;
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}
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div.floatL
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{
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background-color: lime;
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float: left;
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height: 1em;
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}
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div.floatR
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{
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background-color: lime;
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float: right;
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height: 1em;
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}
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div.overflow
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{
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background-color: orange;
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margin-left: 100px;
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margin-right: 100px;
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overflow: auto;
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}
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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;}
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</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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<!--
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non-positioned block boxes created before and after the float box
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flow vertically as if the float did not exist.
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http://www.w3.org/TR/CSS21/visuren.html#floats
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The border box of (...) an element in the normal flow that
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establishes a new block formatting context (such as an element with
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'overflow' other than 'visible') must not overlap the margin box of
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any floats in the same block formatting context as the element itself.
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http://www.w3.org/TR/CSS21/visuren.html#floats
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-->
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<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
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width50 floatL">floatL</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width100 floatL">floatL</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width150 floatL">floatL 150px</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width0 floatR">floatR</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width50 floatR">floatR</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width100 floatR">floatR</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<div class="container"><div class="width150 floatR">floatR 150px</div><div
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class="overflow"><div> with 'overflow: auto'</div></div>
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<!--
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non-positioned block boxes created before and after the float box
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flow vertically as if the float did not exist.
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http://www.w3.org/TR/CSS21/visuren.html#floats
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The border box of (...) an element in the normal flow that
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establishes a new block formatting context (such as an element with
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'overflow' other than 'visible') must not overlap the margin box of
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any floats in the same block formatting context as the element itself.
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http://www.w3.org/TR/CSS21/visuren.html#floats
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-->
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<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>
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</html> |