twitter/bootstrap — pull request #5587 by rowofpixels (2012-10-19 21:26:06+00:00)
Title: Fixed issue where if "span" was anywhere in a class name the selector ma...

The selector `[class*="span"] ` seems to be too loose. While it matches `class="span1"` and `class="span2"`, it also matches `class="espanol"` or `class="wingspan"`.

It may be helpful to have a selector be slightly more specific and only match if the class name *begins* with `span`