<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Solving over-constrained situation for block-level non-replaced elements in normal flow and direction is left-to-right</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-09-29 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#blockwidth"> <link rel="match" href="reference/block-non-replaced-width-001-ref.htm"> <meta name="flags" content=""> <meta name="assert" content="When direction is left-to-right, the specified value of 'margin-right' is ignored in an over-constrained situation and the 'margin-right' value is calculated so as to make the equality true."> <style type="text/css"> div { direction: ltr; } #div1 { background: orange; width: 100px; } div div { background-color: orange; border-left: 10px solid orange; border-right: 10px solid orange; height: 30px; margin-left: 10px; margin-right: 10px; padding-left: 10px; padding-right: 10px; width: 100px; } /* In this test, the used margin-right should be -50px so that the equation remains balanced. */ #div2 { background-color: blue; height: 30px; position: absolute; top: 82px; width: 150px; } </style> </head> <body> <p>Test passes if the orange and blue rectangles have the <strong>same width</strong>.</p> <div id="div1"> <div></div> </div> <div id="div2"></div> </body> </html>