block-level-iframe-margins-affected-by-block-step-size.html (709B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com"> 5 <link rel="help" href="https://drafts.csswg.org/css-rhythm/#block-step-size"> 6 <link rel="match" href="../../reference/ref-filled-green-100px-square-only.html"> 7 <meta name="assert" content="Block level iframe is affected by block-step-size"> 8 <style> 9 .container { 10 display: flow-root; 11 width: 100px; 12 background-color: green; 13 } 14 .block-step { 15 display: block; 16 block-step-size: 100px; 17 visibility: hidden; 18 } 19 </style> 20 </head> 21 <body> 22 <p>Test passes if there is a filled green square.</p> 23 <div class="container"> 24 <iframe src="" width="20" height="20" class="block-step"></iframe> 25 </div> 26 </body> 27 </html>