Free random background image script tool

A while ago I posted a solution for generating CSS random background images, which provided a PHP server side solution for adding random background images to stylesheets on the fly. Since it’s initial posting the solution provided there has been tweaked and fine tuned based on use and reader feedback. A lot of the feedback

Convert pixels to ems – with ease

I came across a very neat, and immensely useful tool online today that converts fixed pixel sizes to their relative em size equivalents. The Em Calculator bases conversions on a specified base pixel conversion ratio, and provides you with immediate calculations for nested child and sibling nodes of the DOM tree. Big thanks to Piotr