CSS is a programming language that lets you customize the color, font, and layout of an HTML-coded website.

I've searched the internet, but can't find any info on the UNKNOWN css tag. I'm taking apart a CSS sheet that has 3 of them in various spots in the sheet, and can't really guess how each one is ...

Update the background picture on your Tumblr blog, and the change might spark new creative ideas that catapult your blog in exciting new directions. Different Tumblr theme creators use alternate ...