I left something off in the previous comment it is actually
<link rel="stylesheet" type="text/css" href="styles.css" media="screen"/>
I cleared the cache and even tried google chrome instead of IE
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Okay first let me warn you that I am fairly new to all of this. That being said everything was fine until I got to part 3. My HTML document doesn't seem to recognize the CSS document at all. The font is still Times New Roman. I have double even triple checked my work and everything is the same as you did in the video.
This is what I added to the HTML
<link rel="stylesheet" type="text/css" href="styles.css"
This is what I put in the CSS
Any help would be greatly appreciated.