CSS

roboto font

@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

body {
  font-family: 'Roboto', sans-serif;
}

roboto

<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap" rel="stylesheet">

roboto

/* all you need */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&display=swap');

/* usage */
font-family: 'Roboto', sans-serif;