link to google font library code example
Example 1: add google font
CSS
@import url(https://fonts.googleapis.com/css?family=Roboto);
HTML
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto"/>
body{
font-family: "Roboto";
}
Example 2: google font library
<link href="https://fonts.googleapis.com/css?family=Lobster" rel="stylesheet" type="text/css"