app/assets/stylesheets/_typography.scss
$sans-serif: 'Roboto', sans-serif;
$font-weight-medium: 500;
$font-weight-bold: 700;
body {
font-family: $sans-serif;
font-weight: $font-weight-medium;
line-height: 1.5;
}
h1,
h2,
h3,
h4 {
font-family: $sans-serif;
font-weight: $font-weight-bold;
margin: 0;
line-height: 1.2;
}
h1 { font-size: modular-scale(3); }
h2 { font-size: modular-scale(2); }
h3 { font-size: modular-scale(1); }
h4 { font-size: modular-scale(0); }