<div class="center p1 white bg-black">.bg-black</div>
<div class="center p1 bg-gray">.bg-gray</div>
<div class="center p1 bg-silver">.bg-silver</div>
<div class="center p1 bg-white">.bg-white</div>
<div class="center p1 bg-aqua">.bg-aqua</div>
<div class="center p1 bg-blue">.bg-blue</div>
<div class="center p1 white bg-navy">.bg-navy</div>
<div class="center p1 bg-teal">.bg-teal</div>
<div class="center p1 bg-green">.bg-green</div>
<div class="center p1 bg-olive">.bg-olive</div>
<div class="center p1 bg-lime">.bg-lime</div>
<div class="center p1 bg-yellow">.bg-yellow</div>
<div class="center p1 bg-orange">.bg-orange</div>
<div class="center p1 bg-red">.bg-red</div>
<div class="center p1 bg-fuchsia">.bg-fuchsia</div>
<div class="center p1 bg-purple">.bg-purple</div>
<div class="center p1 white bg-maroon">.bg-maroon</div>
<div class="center p1 bg-darken-1">.bg-darken-1</div>
<div class="center p1 bg-darken-2">.bg-darken-2</div>
<div class="center p1 bg-darken-3">.bg-darken-3</div>
<div class="center p1 bg-darken-4">.bg-darken-4</div>
<div class="bg-black">
<div class="center p1 white bg-lighten-1">.bg-lighten-1</div>
<div class="center p1 white bg-lighten-2">.bg-lighten-2</div>
<div class="center p1 white bg-lighten-3">.bg-lighten-3</div>
<div class="center p1 white bg-lighten-4">.bg-lighten-4</div>
</div>