use import o link google fonts code example
Example 1: import google font css
@import url('https://fonts.googleapis.com/css?family=Open+Sans&display=swap');
.generic_class {
font-family: 'Open Sans', sans-serif;
}
Example 2: google font import
<!-- To import google font add this to the head of your HTML then you can use use the imported font family in your CSS file -->
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Open+Sans&display=swap" rel="stylesheet">