Shadows The Core styles contain a subtle drop shadow that can be applied to all block elements. Usage You can apply a shadow to your content boxes by adding the shadow class. If you want to reset an existing box shadow, you can use the shadow-none class. Box with shadow <div class="border padding shadow"> Box with drop shadow </div> Box with drop shadow Shadow reset <div style="box-shadow: 0 5px 2px -3px #c4c4c4;" class="border padding shadow-none"> Let there be light. Or rather less shadow. </div> Let there be light. Or rather less shadow.