Also, you should know that they are all based on googles open sans
Below is the link to include google fonts on the page
<link href='//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,300,400,700,600' rel='stylesheet' type='text/css' />
Add ‘msds-enable-font-family’ class to the parent element e.g. below example of how to do it on the entire page
<html class="msds-enable-font-family">
......
</html>