<!DOCTYPE HTML> <!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <html><head> <meta charset="utf-8"> <title>Reference: Fragmentation, various edge cases</title> <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1144096"> <style type="text/css"> html,body { color:black; background-color:white; font-size:16px; padding:0; margin:0; } body { overflow:hidden; } .columns { position:relative; -moz-columns: 5; -ms-columns: 5; -webkit-columns: 5; columns: 5; -moz-column-fill: auto; -ms-column-fill: auto; -webkit-column-fill: auto; column-fill: auto; border: 2px dashed; margin-bottom: 5px; } .grid { display: block; border:5px solid; align-content: start; } span { display:block; height:20px; width:30px; } i { display:block; height:10px; background:blue; } .t { border-bottom-width:0; } .b { border-top-width:0; } .m { border-bottom-width:0; border-top-width:0; } </style> </head> <body> <div class="columns" style="height:30px"> <div style="background:grey"> <div class="grid t" style="height:25px"> <span><i style="height:25px"></i></span> </div> <div class="grid m" style="height:25px"> <span><i style="height:25px"></i></span> </div> <div class="grid m" style="height:25px"> <span><i style="height:10px"></i></span> </div> <div class="grid b" style="height:25px"> </div> </div></div> <div class="columns" style="height:40px"> <div style="background:grey"> <div class="grid t" style="height:60px; overflow:hidden"> <span><i style="overflow:hidden;height:60px"></i></span> </div> <div class="grid m" style="height:40px"> <span><i style="height:20px"></i></span> </div> <div class="grid b" style="height:0px"> </div> </div></div> <div class="columns" style="height:30px; margin-left:40px"> <div style="background:grey"> <div class="grid t" style="height:25px"> <span><i style="height:25px"></i></span> </div> <div class="grid m" style="height:25px"> <span><i style="height:25px"></i></span> </div> <div class="grid m" style="height:25px"> <span><i style="height:10px"></i></span> </div> <div class="grid b" style="height:25px"> </div> </div></div> <div class="columns" style="height:40px; margin-left:40px"> <div style="background:grey"> <div class="grid t" style="height:60px; overflow:hidden"> <span><i style="overflow:hidden;height:60px"></i></span> </div> <div class="grid m" style="height:40px"> <span><i style="height:20px"></i></span> </div> <div class="grid b" style="height:0px"> </div> </div></div> <div class="columns" style="height:40px; margin-left:80px"> <div style="background:grey"> <div class="grid" style="height:20px"> <span><i style="overflow:hidden;height:60px"></i></span> </div></div> <div style="height:10px"></div> <div style="margin-left:5px"> <span><i style="height:20px"></i></span> </div> </div></div> <div class="columns" style="height:70px; margin-left:120px"> <div style="background:grey"> <div class="grid t" style="height:30px"> <span><i style="height:30px"></i></span> </div> <div style="height:35px"></div> <div class="grid b" style="height:30px"> <span><i style="height:50px"></i></span> </div> </div></div> <div class="columns" style="height:70px"> <div style="background:grey"> <div class="grid t" style="height:30px"> <span><i style="height:30px"></i></span> </div> <div style="height:35px"></div> <div class="grid b" style="height:32px"> <span><i style="height:50px"></i></span> </div> </div></div> <div class="columns" style="height:70px"> <div style="background:grey"> <div class="grid t" style="height:45px"> <span style="height:45px"><i style="height:45px"></i></span> </div> <div style="height:20px"></div> <div class="grid b" style="height:16px"> <span style="height:16px"><i style="height:35px"></i></span> </div> </div></div> <div class="columns" style="height:70px"> <div style="background:grey"> <div class="grid t" style="height:65px"> <span style="height:65px"><i style="height:65px"></i></span> </div> <div class="grid b" style="height:0px"> <span><i style="height:15px"></i></span> </div> </div></div> <div class="columns" style="height:70px"> <div style="background:grey"> <div class="grid t" style="height:60px"> <span style="height:60px"><i style="height:60px"></i></span> </div> <div style="height:5px"></div> <div class="grid b" style="height:1px"> <span><i style="height:20px"></i></span> </div> </div></div> <div class="columns" style="height:70px"> <div style="background:grey"> <div class="grid t" style="height:61px"> <span style="height:62px"><i style="height:62px"></i></span> </div> <div style="height:4px"></div> <div class="grid b" style="height:0px"> <span><i style="height:18px"></i></span> </div> </div></div> <div class="columns" style="height:40px"> <div style="background:grey"> <div style="overflow:hidden"> <div class="grid" style="height:32px;"> <span><i style="height:33px;"></i></span> </div> </div> <div class="grid m" style="height:0px"> <span><i style="height:40px"></i></span> </div></div> <div style="height:40px"></div> <div class="grid m" style="height:0px"> <span><i style="height:7px"></i></span> </div> </div></div> <div class="columns" style="height:40px"> <div style="background:grey"> <div style="overflow:hidden"> <div class="grid" style="height:32px;"> <span><i style="height:33px;"></i></span> </div> </div> <div class="grid m" style="height:0px"> <span><i style="height:40px"></i></span> </div></div> <div style="height:40px"></div> <div class="grid m" style="height:0px"> <span><i style="height:7px"></i></span> </div> </div></div> </body> </html>