In a  project for work I came across a bug in our CSS that would leave our nav bar in IE8 (possibly IE9) with a gradient that went from blue to dark blue.  As part of this project we went with Twitter Bootstrap and are using Assetic and LessPHP to manage and compile the less files. I didn’t understand why we had this issue as we had the gradient, just the wrong colors. So I started digging into the less files, and then finally the compiled CSS.
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