<div class="pow-border-sm pow-border-black"></div>
<div class="pow-border-top-sm pow-border-black"></div>
<div class="pow-border-right-sm pow-border-black"></div>
<div class="pow-border-bottom-sm pow-border-black"></div>
<div class="pow-border-left-sm pow-border-black"></div>

<div class="pow-border-md pow-border-black"></div>
<div class="pow-border-top-md pow-border-black"></div>
<div class="pow-border-right-md pow-border-black"></div>
<div class="pow-border-bottom-md pow-border-black"></div>
<div class="pow-border-left-md pow-border-black"></div>

<div class="pow-border-lg pow-border-black"></div>
<div class="pow-border-top-lg pow-border-black"></div>
<div class="pow-border-right-lg pow-border-black"></div>
<div class="pow-border-bottom-lg pow-border-black"></div>
<div class="pow-border-left-lg pow-border-black"></div>

<div class="pow-border-md pow-border-primary"></div>
<div class="pow-border-md pow-border-primary100"></div>
<div class="pow-border-md pow-border-primary200"></div> 
<div class="pow-border-md pow-border-primary300"></div>
<div class="pow-border-md pow-border-primary400"></div>

<div class="pow-border-md pow-border-primary500"></div>
<div class="pow-border-md pow-border-primary600"></div>
<div class="pow-border-md pow-border-primary700"></div>
<div class="pow-border-md pow-border-primary800"></div>
<div class="pow-border-md pow-border-primary900"></div>

<div class="pow-border-top-lg pow-border-top-black pow-border-bottom-md pow-border-bottom-black200"></div>
<div class="pow-border-right-lg pow-border-right-black300"></div>
<div class="pow-border-bottom-md pow-border-bottom-black400 pow-border-left-md pow-border-left-white"></div>