With the border classes of this framework you can provide the elements with borders.
border
<div class="border"></div>
border-top
<div class="border-top"></div>
border-right
<div class="border-right"></div>
border-bottom
<div class="border-bottom"></div>
border-left
<div class="border-left"></div>
Click here to switch between border and border-0
border border-0
<div class="border border-0"></div>
border border-top-0
<div class="border border-top-0"></div>
border border-right-0
<div class="border border-right-0"></div>
border border-bottom-0
<div class="border border-bottom-0"></div>
border border-left-0
<div class="border border-left-0"></div>
border border-width-2
<div class="border border-width-2"></div>
border border-width-4
<div class="border border-width-4"></div>
border border-width-6
<div class="border border-width-6"></div>
border border-width-8
<div class="border border-width-8"></div>
border border-width-10
<div class="border border-width-10"></div>
border border-style-dashed
<div class="border border-style-dashed"></div>
border border-style-dotted
<div class="border border-style-dotted"></div>
border border-black
border border-white
border border-gray
border border-blue
border border-green
border border-teal
border border-red
border border-yellow
border border-orange
border border-brown
border border-purple
border border-pink