зеркало из https://github.com/mozilla/gecko-dev.git
33 строки
840 B
HTML
33 строки
840 B
HTML
<html>
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<head>
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<style>
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#colset { -moz-column-count: 3; }
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#a { height: 0; }
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#x { height: 3px; }
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#b { height: 0; }
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#c { height: 2px; }
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#d { height: 2px; }
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/* Following style is just for visualization -- doesn't affect assertion */
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#colset { -moz-column-gap: 0px; width: 18px; }
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div { width: 5px; }
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#a { background: purple; }
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#x { background: orange; }
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#b { background: blue; }
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#c { background: black; }
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#d { background: lime; }
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</style>
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<script>
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function boom()
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{
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document.getElementById("a").style.height = "auto";
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document.getElementById("c").style.height = "0";
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}
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</script>
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</head>
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<body onload="boom()" id="colset"
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><div id="a"><div id="x"></div></div
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><div id="b"><div id="c"></div><div id="d"></div></div
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></body>
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</html>
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