In the past  have always declared my font sizes using the traditional method based on pixel size. Before I made this jump, I figured using px was sufficient enough for my use, but I came to realize that this is not the case. For your reference, this is how I declared font-sizes in the past:
a {
     [...]

While this post isn’t about blogging necessarily, but more about making your web site functional for the web on all platforms. Right now I am on the interstate traveling to a Husker football game and posting this from my blackberry.
Understand that your visitors will access your site from anywhere possible, as long as it still [...]