CSS Signatures are all the rage these days. If you’re not familiar with a CSS Signature, it’s basically nothing more than an ID on your body tag. The fundamental purpose of the CSS Signature is to allow a user to specify style adjustments to your site in their own user style sheets. Whether or not users are actually capitalizing on this is a discussion for another day, but doing this has other benefits like having an extra id to use when dealing with CSS specificity. Additionally, we can use this to capitalize on a little known fact about HTML and anchors: you can use anchors to jump to any element on your page with an ID attribute…
Direct link: How to simplify your markup using ID for anchors