Working on a new site, I was wanting a lined, or striped background. It’s a simple thing to do with an image, and you can keep the image small so the impact on load time is negligible, but I wondered could you do the same thing with CSS?
In short order I found Checkerboard, striped & other background patterns with CSS3 gradients by Lea Verou. A fabulous tutorial on just this sort of thing and more.
After playing with the settings a bit I ended up with this pattern:
Pretty cool stuff.