roboto bold.tff code example
Example 1: google font roboto
@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
font-family: 'Roboto', sans-serif;
Example 2: roboto
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap" rel="stylesheet">