<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Visibility set to 'collapse'</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#propdef-visibility"> <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#visibility"> <meta name="flags" content=""> <meta name="assert" content="A block with 'visibility' set to 'collapse' will not be rendered on the page but will still affect layout flow."> <style type="text/css"> div { background: green; width: 1in; } div div { height: 1in; } #div1 { background: red; visibility: collapse; } #div2 { background: blue; } </style> </head> <body> <p>Test passes if there is a green box above a blue box below.</p> <div> <div id="div1">FAIL FAIL</div> <div id="div2"></div> </div> </body> </html>