In CSS, IDs (denoted by the hash) are always unique elements on the page, so whether or not the browser reads left-to-right or right-to-left, the selectors #menu ul li a are redundant anyway.

Woolly, the CSS sheep. CSS has some great new tools like pseudo classes and pseudo elements for selecting things just by where they are in the DOM. For example, :first-child can select the first ...

Clean Up Your CSS With 'Dust Me Selectors' If your stylesheets are a mess, fear not, the Firefox and Opera extension Dust Me Selectors can help you cut the cruft and get a handle on your code. If ...

Follow these five CSS performance optimization suggestions and reduce the possibility that your CSS selectors will be the performance bottleneck on your website. Dig Deeper on Front-end, back-end and ...