Core Styles

Also known as the UI Elements
Includes 10 base font classes
Each one has a default size, weight and colour

Sizes

Weights

Themes

Colours

Use theme colours in wayfinding, navigating and key interactions
dev.office.com/fabric/styles#color

Icons

Heading

<p class="ms-font-xxl 
             ms-fontColor-neutralSecondary 
             ms-fontWeight-semilight">Heading</p> 

Sub Heading

<div class="ms-font-xl 
               ms-fontColor-neutralTertiary">Sub Heading</div>