Now that you have seen CSS base selectors, you might be wondering why one should bother with other selectors, since one can do everything with class and ID!
There’s nothing more professional than being able to use css rules appropriately and concisely. In this way, you will be able to improve the quality of your coding as well as shortening loading times of your webpages. Do you want to know how?

Using the universal selector

This selector is very powerful and it is represented by an asterisk ( * ). It can be read as “All the elements“. It is often used to “reset” the margin and the padding of all the elements:

http://www.yourinspirationweb.com/en/do-you-know-there-are-other-ways-of-using-css-selectors-part-2/