Selecting a CSS to modify the default font on units
You can use the following CSS code to modify the default font to Arial;
.readability, .readability p, .readability li, .readability h1, .readability h2, .readability h3, .readability h4, .readability blockquote, .readability span { font-family:'Arial'; }
Starting from version 1.7 we offer a variety of fonts to use when creating content.