Why isn't my CSS working? Understanding specificity and the override mechanism

I added CSS, but the text color and margins didn't change.It worked when I rewrote the same specification at the bottom of ...
Houston Chronicle

How to Override CSS Inside DIV Classes

If you ever need to tweak the appearance of a page on your business website, you may have to modify Cascading Style Sheet code. Developers use CSS to set the size, color and other attributes of ...