block-container-block-end-self-collapsing-children-nested-margin-trim.html (1520B)
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-box-4/#margin-trim-block"> 6 <meta name="assert" content="block-end margins in nested content should be trimmed when they collapse through to the outer block container"> 7 <style> 8 .trim { 9 margin-trim: block; 10 } 11 container { 12 display: block; 13 } 14 item { 15 display: block; 16 inline-size: 50px; 17 block-size: 10px; 18 background-color: green; 19 } 20 .collapsed { 21 margin-block: 50px 100px; 22 block-size: 0px; 23 } 24 </style> 25 <script src="/resources/testharness.js"></script> 26 <script src="/resources/testharnessreport.js"></script> 27 <script src="/resources/check-layout-th.js"></script> 28 </head> 29 <body onload="checkLayout('.collapsed')"> 30 <div id="target"> 31 <container class="trim"> 32 <container> 33 <item data-offset-y="8"></item> 34 <container> 35 <item></item> 36 <container> 37 <item></item> 38 <container class="trim"> 39 <item></item> 40 <container> 41 <item></item> 42 <item data-offset-y="58" class="collapsed"></item> 43 </container> 44 </container> 45 </container> 46 </container> 47 </container> 48 </container> 49 </div> 50 </body> 51 </html>