contain-layout-breaks-002.html (1394B)
1 <!DOCTYPE html> 2 3 <meta charset="UTF-8"> 4 5 <title>CSS-contain test: layout containment and forced breaks</title> 6 7 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> 8 <meta content="forced breaks within layout containment do not propagate to the parent." name="assert"> 9 10 <link href="reference/contain-layout-breaks-002-ref.html" rel="match"> 11 12 <link href="https://drafts.csswg.org/css-contain-1/#containment-layout" rel="help"> 13 <link href="https://drafts.csswg.org/css-break-3/#forced-break" rel="help"> 14 15 <style> 16 article 17 { 18 column-fill: auto; /* columns are filled sequentially */ 19 column-gap: 0em; 20 columns: 2 100px; /* 2 columns each 100px wide */ 21 float: left; /* to make multi-column element shrink-wrap */ 22 height: 400px; /* give more than enough to go wrong */ 23 } 24 25 div#yellow-normal 26 { 27 border-top: yellow solid 100px; 28 } 29 30 div#blue-parent 31 { 32 border-top: blue solid 100px; 33 contain: layout; 34 } 35 36 div#orange-child 37 { 38 border-top: orange solid 100px; 39 break-before: column; 40 } 41 </style> 42 43 <p>Test passes if there is a) a blue square below a yellow square and b) an orange square below a blue square. 44 45 <article> 46 47 <div id="yellow-normal"></div> 48 49 <div id="blue-parent"> 50 <div id="orange-child"></div> 51 </div> 52 53 </article>