As I mentioned above - one or two clauses like that won't hurt performance, but I have seen situations, when bad CSS (a lot of *'s, too long selectors, a lot of

As I mentioned above - one or two clauses like that won't hurt performance, but I have seen situations, when bad CSS (a lot of *'s, too long selectors, a lot of dead and unused clauses) actually had a measurable impact on websites' performance. This especially comes into play, if you deal with a lot of nested HTML elements or when you modify the site's HTML a lot.