Menu Font Size on Tarski Theme

Open your stylesheet:
https://www.christineray.com/model/wp-content/themes/tarski/style.css

Edit
#navigation {
border-bottom: 1px solid #CCCCCC;
font-size: 23px; /* Adjust Font Size in Pixels */
margin: 20px 0 0;
}

Who is you host?

Thanks flashbuddy! my host is Bluehost.com

Also, how do I change the color of the navigation font?

Thanks!
-Caleb