The Tor Browser: layout/base/crashtests/403569-1.xhtml@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <html xmlns="http://www.w3.org/1999/xhtml">

     2 <head>

     3 <style>

     5 #a {

     6   -moz-column-count: 2;

     7   -moz-column-width: 100px;

     8   float: left;

     9   border: 2px solid magenta;

    10   height: 200px;

    11 }

    13 #b {

    14   -moz-column-count: 2;

    15   -moz-column-width: 100px;

    16   float: left;

    17   border: 2px solid green;

    18   height: 300px;

    19 }

    21 </style>

    22 </head>

    24 <body onload="document.getElementById('span').style.display = '-moz-inline-grid';">

    26 <div id="a"><div id="b"></div><optgroup label="foo"><span id="span"></span></optgroup></div>

    28 </body>

    29 </html>

The Tor Browser / file revision