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| 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/st
rict.dtd"> | |
| 2 <html> | |
| 3 | |
| 4 <head> | |
| 5 | |
| 6 <title>CSS Test: Margin collapsing with clearance - clearance may be negative<
/title> | |
| 7 | |
| 8 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins"
> | |
| 9 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#normal-block"> | |
| 10 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserB
ugsSection/css21testsuite/"> | |
| 11 <link rel="author" title="Bruno Fassino" href="fassino[at]gmail.com"> | |
| 12 <link rel="match" href="margin-collapse-clear-014-ref.htm"> | |
| 13 | |
| 14 <meta content="Clearance is created above the top margin of the element with c
lear set. Clearance can be negative. Clearance stops the collapsing of the eleme
nt's margins with the preceding siblings' margins and with the parent block's bo
ttom margin." name="assert"> | |
| 15 <meta content="" name="flags"> | |
| 16 | |
| 17 <style type="text/css"> | |
| 18 #rel-pos-wrapper {position: relative;} | |
| 19 | |
| 20 #parent-lime | |
| 21 { | |
| 22 background-color: lime; | |
| 23 width: 50%; | |
| 24 } | |
| 25 | |
| 26 #preceding-sibling-aqua | |
| 27 { | |
| 28 background-color: aqua; | |
| 29 height: 60px; | |
| 30 margin-bottom: 40px; | |
| 31 } | |
| 32 | |
| 33 #float-left-blue | |
| 34 { | |
| 35 background-color: blue; | |
| 36 float: left; | |
| 37 height: 100px; | |
| 38 width: 100px; | |
| 39 } | |
| 40 | |
| 41 #clear-left | |
| 42 { | |
| 43 clear: left; | |
| 44 margin-top: 120px; | |
| 45 } | |
| 46 | |
| 47 #next-yellow | |
| 48 { | |
| 49 background-color: yellow; | |
| 50 height: 100px; | |
| 51 } | |
| 52 | |
| 53 .ref-overlapped-red | |
| 54 { | |
| 55 background-color: red; | |
| 56 position: absolute; | |
| 57 z-index: -1; | |
| 58 } | |
| 59 | |
| 60 #ref1 | |
| 61 { | |
| 62 height: 200px; | |
| 63 top: 0px; | |
| 64 width: 50%; | |
| 65 } | |
| 66 | |
| 67 #ref2 | |
| 68 { | |
| 69 height: 100px; | |
| 70 top: 200px; | |
| 71 width: 100%; | |
| 72 } | |
| 73 </style> | |
| 74 | |
| 75 </head> | |
| 76 | |
| 77 <body> | |
| 78 | |
| 79 <p>Test passes if there is <strong>no red</strong>.</p> | |
| 80 | |
| 81 <div id="rel-pos-wrapper"> | |
| 82 | |
| 83 <!-- | |
| 84 | |
| 85 #parent-lime should have height 200px, sum of: | |
| 86 | |
| 87 60px : height of #preceding-sibling-aqua | |
| 88 + | |
| 89 40px : margin-bottom of #preceding-sibling-aqua | |
| 90 + | |
| 91 100px : height of #float-left-blue | |
| 92 ===================================================== | |
| 93 200px | |
| 94 | |
| 95 --> | |
| 96 | |
| 97 <div id="parent-lime"> | |
| 98 <div id="preceding-sibling-aqua"></div> | |
| 99 <div id="float-left-blue"></div> | |
| 100 <div id="clear-left"></div> | |
| 101 </div> | |
| 102 | |
| 103 <!-- | |
| 104 | |
| 105 clearance | |
| 106 + | |
| 107 margin-top of #clear-left (120px) | |
| 108 ==================================== | |
| 109 height of #float-left-blue (100px) | |
| 110 | |
| 111 therefore, clearance is equal to -20px | |
| 112 | |
| 113 --> | |
| 114 | |
| 115 <div id="next-yellow"></div> | |
| 116 | |
| 117 <!-- | |
| 118 #ref1 and #ref2 boxes create a sort of 'reference rendering' | |
| 119 where #ref1 should be covered, overlapped by #parent-lime | |
| 120 while #ref2 should be covered, overlapped by #next-yellow. | |
| 121 --> | |
| 122 | |
| 123 <div id="ref1" class="ref-overlapped-red"></div> | |
| 124 <div id="ref2" class="ref-overlapped-red"></div> | |
| 125 | |
| 126 </div> | |
| 127 | |
| 128 </body> | |
| 129 </html> | |
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Chromium Code Reviews
Issue 2827713002:
Delete duplicated LayoutTests from css2.1/20110323 (Closed)
