| <!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> |
| |
| <title>CSS Test: line-height - line box height calculations</title> |
| |
| <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#line-height" title="10.8 Line height calculations: the 'line-height' and 'vertical-align' properties" /> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#inline-formatting" title="9.4.2 Inline formatting contexts" /> |
| |
| <meta content="text/javascript" http-equiv="Content-Script-Type" /> |
| <meta content="ahem dom image interact" name="flags" /> |
| <meta content="A line box is always tall enough for all of the boxes it contains. A line box can be as tall as the tallest inline non-replaced box it contains." name="assert" /> |
| |
| <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> |
| <style type="text/css"><![CDATA[ |
| body |
| { |
| background: white url("support/ruler-v-100px-200px.png") no-repeat; |
| margin: 8px 8px 8px 55px; |
| /* |
| |
| 16px : margin collapsing between body's margin-top and p's margin-top == max(8px, 16px) |
| + |
| 20px : first line of p |
| + |
| 20px : second line box of p |
| + |
| 20px : third line box of p |
| + |
| 24px : margin-bottom of p |
| ======= |
| 100px |
| |
| */ |
| } |
| |
| p |
| { |
| font: 1em/1.25 serif; |
| margin: 1em 0.5em 1.5em; |
| } |
| |
| div |
| { |
| background-color: orange; /* The line box will be painted orange */ |
| font-family: Ahem; |
| line-height: 0; |
| } |
| |
| span |
| { |
| color: black; |
| line-height: 1; |
| vertical-align: baseline; |
| } |
| |
| span#twenty {font-size: 20px; display: none;} |
| |
| span#thirty {font-size: 30px; display: none;} |
| |
| span#forty {font-size: 40px; display: none;} |
| |
| span#fifty {font-size: 50px; display: none;} |
| |
| span#sixty {font-size: 60px; display: none;} |
| |
| span#eighty {font-size: 80px; display: none;} |
| |
| span#one-hundred {font-size: 100px; display: none;} |
| ]]></style> |
| |
| <script type="text/javascript"><![CDATA[ |
| function resetChkboxes() |
| { |
| var collectionOfCheckboxes = document.getElementsByTagName("input"); |
| for (var iterator = 0; iterator < collectionOfCheckboxes.length; iterator++) |
| { |
| collectionOfCheckboxes.item(iterator).checked = false; |
| }; |
| } |
| |
| function updateLinebox(chkbox) |
| { |
| if(chkbox.checked) |
| { |
| document.getElementById(chkbox.id.slice(3)).style.display = "inline"; |
| } |
| else |
| { |
| document.getElementById(chkbox.id.slice(3)).style.display = "none"; |
| }; |
| } |
| ]]></script> |
| |
| </head> |
| |
| <body onload="resetChkboxes();"> |
| |
| <p>Check or uncheck as many checkboxes as you want.<br /> |
| Test passes if the orange rectangle is always just<br /> |
| tall enough to contain the tallest black square in it.</p> |
| |
| <div><span id="twenty">2</span> <span id="thirty">3</span> <span id="forty">4</span> <span id="fifty">5</span> <span id="sixty">6</span> <span id="eighty">8</span> <span id="one-hundred">1</span></div> |
| |
| <p><input type="checkbox" id="chktwenty" value="20" onclick="updateLinebox(this);" /><input type="checkbox" id="chkthirty" value="30" onclick="updateLinebox(this);" /><input type="checkbox" id="chkforty" value="40" onclick="updateLinebox(this);" /><input type="checkbox" id="chkfifty" value="50" onclick="updateLinebox(this);" /><input type="checkbox" id="chksixty" value="60" onclick="updateLinebox(this);" /><input type="checkbox" id="chkeighty" value="80" onclick="updateLinebox(this);" /><input type="checkbox" id="chkone-hundred" value="100" onclick="updateLinebox(this);" /></p> |
| |
| </body> |
| </html> |
