box-sizing-border-box-001.xht (1360B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>CSS Test: Box Sizing - Border-Box with specified width</title> 5 <link rel="author" title="Scott Johnson" href="mailto:sjohnson@mozilla.com" /> 6 <link rel="help" href="https://drafts.csswg.org/css-sizing-3/#box-sizing" /> 7 <link rel="match" href="box-sizing-border-box-001-ref.xht" /> 8 <meta name="assert" content="box-sizing: border-box should make the element's (percentage) width be the distance from the left border edge to the right border edge." /> 9 <style type="text/css"><![CDATA[ 10 .container { 11 width: 300px; 12 border: 2px solid black; 13 position: absolute; 14 left: 25px; 15 top: 25px; 16 background-color: red; 17 } 18 19 .box-sized { 20 box-sizing: border-box; 21 width: 50%; 22 z-index: 1; 23 float: left; 24 border: 5px solid black; 25 } 26 27 #one { 28 background-color: green; 29 } 30 31 #two { 32 background-color: blue; 33 } 34 ]]></style> 35 </head> 36 <body> 37 The two divs should be side-by-side, not one on top of another. No red should be visible. 38 <br /> 39 <div class="container"> 40 <div class="box-sized" id="one">LEFT HALF</div> 41 <div class="box-sized" id="two">RIGHT HALF</div> 42 </div> 43 </body> 44 </html>