[mradmin]

What if you had a requirement to create variation styles of those elements? How would you do that? Would you add you base style in your id selector, and then variations with classes? Again, you'll face specificity issues with that approach. Keeping things simple is the best approach here IMO. I've done a heck-load of CSS and have seen how hacky a stylesheet can become because of specificity issues. Sticking with classes and keeping selectors short will make your stylesheet easier to follow and more maintainable, but this is just my approach!