link to google font 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: embed google font css

<link rel="stylesheet" href="//fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&lang=en" />