7 https://bugs.webkit.org/show_bug.cgi?id=76664
8 The 'a' should be in a red box that sits on the bottom left of an enclosing yellow box.
11 .caption1 { background-color:yellow; width: 40px; display: inline-block;}
12 .fl { float: left; background-color:red;}
14 <div class="caption1">caption1<div class="fl">a</div></div>