Google Font Roboto - default font size: 16px

Light - font-weight: 300

class="light"

Regular (default) - font-weight: 400

Medium - font-weight: 500

class="medium"

Bold - font-weight: 700

class="bold"

Sizes

Extra Small (10px)

class="font-xs"

Small (12px)

class="font-sm"

Default (16px)

Large (18px)

class="font-lg"

Extra Large (20px)

class="font-xl"