<!DOCTYPE html> <html> <meta charset="utf-8"> <title>CSS Multi-column Layout Test: Test width:max-content for a multi-column container with column-span:all children</title> <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> <link rel="help" href="https://drafts.csswg.org/css-multicol-1/#column-span"> <link rel="help" href="https://drafts.csswg.org/css-sizing-3/#sizing-properties"> <link rel="match" href="multicol-width-005-ref.html"> <meta name="assert" content="This test checks the width:max-content for a multi-column container is calculated correctly."> <style> article { width: max-content; border: 1px solid black; column-gap: 10px; } .block { width: 100px; background-color: yellow; } .spanner { column-span: all; background-color: lime; } </style> <!-- Case 1: column-width is specified, and "column-count:auto" is considered one column, so <article>'s expected width is 80px. --> <article style="column-width: 80px;"> <div class="block">block1</div> <div class="spanner" style="width: 50px;">spanner</div> <div class="block">block2</div> </article> <br> <!-- Case 2: column-width is specified, and no other children are wider than the column-width. Thus <article>'s expected width is 120px. --> <article style="column-width: 120px;"> <div class="block">block1</div> <div class="spanner" style="width: 50px;">spanner</div> <div class="block">block2</div> </article> <br> <!-- Case 3: like case 2, but the spanner's width is larger than column-width. Thus <article>'s expected width is 150px; --> <article style="column-width: 120px;"> <div class="block">block1</div> <div class="spanner" style="width: 150px;">spanner</div> <div class="block">block2</div> </article> <br> <!-- Case 4: column-count is specified. <article>'s expected width is two column boxes wide plus the column-gap, i.e. 100px*2 + 10px = 210px. --> <article style="column-count: 2;"> <div class="block">block1</div> <div class="spanner">spanner</div> <div class="block">block2</div> </article> <br> <!-- Case 5: column-count is specified, and column-width is larger than the column-box's width. Thus <article>'s expected width is column-width plus the column-gap, i.e. 110px*2 + 10px = 230px. --> <article style="column-count: 2; column-width: 110px;"> <div class="block">block1</div> <div class="spanner">spanner</div> <div class="block">block2</div> </article> <br> <!-- Case 6: like case 4, but the spanner's width is larger. Thus <article>'s expected width is 250px. --> <article style="column-count: 2;"> <div class="block">block1</div> <div class="spanner" style="width: 250px;">spanner</div> <div class="block">block2</div> </article> </html>