Google fonts are a nice aesthetic addition to a locator's styles.
Google fonts require a special type of link tag which can be added to your Interface according the following instructions:
First add the Google Font link tag to the Header setting found under your Interface Settings > Advanced.
Then you are free to use the font in your CSS setting as found under Style & Color Settings:
font-family: Lato,Helvetica,Arial,sans-serif !important;
Important: If your page is delivered via SSL (as in Facebook or other secure contexts) be sure to add the link with https as in: