In your style.css you have 'p:a' which should be 'p a', although that's not enough to cause it to mis-behave.
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"I'm here to save your life. But if I'm going to do that, I'll need total uninanonynymity." Me Myself & Irene.
Validate your HTML and CSS
that's calling to change the colour of a link in any paragraph. It's CSS3 I think. Hmm. Yea. If I can just get the z-index to work it would be so much better!