Developers are really good at what they do: develop. But while they may be able to whip up the coolest code on the planet, if they can't market ...
Cutestrap is a sassy, opinionated CSS framework that's a tiny alternative to Bootstrap. It includes forms, grid, typography, and more.
Checkbox.css is a tiny set of CSS3 animations just for your checkboxes. It's super easy to use and includes a number of fun animations to suit your purposes.
How to Center in CSS makes it super easy to generate the code you need to center your content according to parameters you set.