/* use roboto on all text everywhere */
body {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in class="container" */
.container {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in id="container" */
#container {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in all h1 elements */
h1 {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in all h2 elements */
h2 {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in all h3 elements */
h3 {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in all p1 elements */
p1 {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in all p2 elements */
p2 {
    font-family: 'Roboto', sans-serif;
}
/* use roboto in all p3 elements */
p3 {
    font-family: 'Roboto', sans-serif;
}