If you're looking to create that shiny, happy, Barbie plastic look, you might give the SpecularCSS open source library a look. If you're more into steampunk or other aesthetics, it can help with those too.
It can be used just for fun or, when used judiciously, can be used to create more functional and attractive web applications.
SpecularCSS: http://www.specularcss.org
GitHub Repo: https://github.com/amegahed/SpecularCSS
Example: https://specularcss.sharedigm.com/vendor/specularcss/demos/demo3/index.html
Material Configurator: https://specularcss.sharedigm.com/vendor/specularcss/demos/demo2/index.html