<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>CSS Test: table-layout fixed - columns with percentage width</title> <style type="text/css"> @page { font: italic 8pt sans-serif; color: gray; margin: 7%; counter-increment: page; @top-left { content: "CSS 2.1 Conformance Test Suite"; } @top-right { content: "Test fixed-table-layout-021"; } @bottom-right { content: counter(page); } } </style> <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#fixed-table-layout" title="17.5.2.1 Fixed table layout" /> <link rel="match" href="reference/fixed-table-layout-021-ref.xht" /> <meta content="" name="flags" /> <meta content="A column with a percentage width in a 'table-layout: fixed' table can be calculated, predicted, rendered." name="assert" /> <style type="text/css"><![CDATA[ table, div {font: 1.25em/1 serif;} table { border: white solid; border-width: 0px 29px; /* horizontal table border width is 58px total */ border-collapse: separate; border-spacing: 15px 4px; /* horizontal border-spacing width is 75px total */ table-layout: fixed; width: 533px; /* "With this (fast) algorithm, the horizontal layout of the table does not depend on the contents of the cells; it only depends on the table's width, the width of the columns, and borders or cell spacing." http://www.w3.org/TR/CSS21/tables.html#fixed-table-layout So, 533px : total table width - 58px : total horizontal border width - 75px : total horizontal border-spacing width ======== 400px : total to split among the 4 columns */ } col#first { background-color: fuchsia; width: 13%; /* 400px multiplied by 13% = 52px */ } col#second { background-color: olive; width: 22%; /* 400px multiplied by 22% = 88px */ } col#third { background-color: orange; width: 31%; /* 400px multiplied by 31% = 124px */ /* 100% - (13% + 22% + 31%) == 34% for last column */ } td {padding: 1px 10px;} td#first-cell {color: fuchsia;} td#second-cell {color: olive;} td#third-cell {color: orange;} div {padding: 1px 0px;} div#reference1st { background-color: fuchsia; color: fuchsia; left: 44px; /* 29px border-left of table + 15px border-spacing == 44px */ position: relative; width: 52px; } div#reference2nd { background-color: olive; bottom: 1.1em; color: olive; left: 111px; /* 29px : border-left of table + 15px : 1st border-spacing + 52px : width of first column + 15px : 2nd border-spacing ======= 111px */ position: relative; width: 88px; } div#reference3rd { background-color: orange; bottom: 2.2em; color: orange; left: 214px; /* 29px : border-left of table + 15px : 1st border-spacing + 52px : width of first column + 15px : 2nd border-spacing + 88px : width of second column + 15px : 3rd border-spacing ======= 214px */ position: relative; width: 124px; } ]]></style> </head> <body> <p>Test passes if the colored (fuchsia, olive and orange) stripes have respectively the same widths and the same horizontal positions.</p> <table> <col id="first" /> <col id="second" /> <col id="third" /> <col /> <tr> <td id="first-cell">1st</td> <td id="second-cell">2nd</td> <td id="third-cell">3rd</td> <td></td> </tr> </table> <div id="reference1st">ref</div> <div id="reference2nd">ref</div> <div id="reference3rd">ref</div> </body> </html>