You'll need to bump it up by 17 pixels. There are a million ways of doing this, and I'm not sure which to reccomend.
But that first paragraph should be wrapped in a div with the style: margin-top:-17px; added to it.
So in your Home page post (not the PHP file but where the text is entered), click text, and add <div id='para_fix'> at the start and </div> at the end.
Then in your CSS stylesheet, add:
Now, this comes with a warning. It's possible that when you wrap it in a div, another rule in your stylesheet will take over, and it'll look even worse. So, we'll need to adjust for that as well.
Best of luck!