JSFiddle - React, Tailwind, and code Playground

HTML

<nav class="side-nav" role=navigation>
	<ul>
		<li class="responsive-side-nav"><a href="#">Responsive Web Design</a></li>
		<li class="interactive-side-nav"><a href="#">Interactive Web Design</a></li>
		<li class="ux-side-nav"><a href="#">User Experience</a></li>
	</ul>
</nav>

CSS

li {
    list-style: none;
}
.side-nav li {
  padding-bottom: 3.125em;
  width: 100%;
  line-height: 1.25em;
  text-align: center;
}
.side-nav a {
  position: relative;
  top: 1.75em;
  z-index: -1;
  display: block;
  color: white;
  text-decoration: none;
  background: #c7cbaf;
  -webkit-border-radius: 48px;
  -moz-border-radius: 48px;
  -ms-border-radius: 48px;
  -o-border-radius: 48px;
  border-radius: 48px;
  padding-top: 1.375em;
  padding-bottom: 0.75em;
  text-transform: uppercase;
}
.responsive-side-nav {
  background: transparent url(http://thewebbakery.co.uk/assets/graphics/responsive-icon-sml.png) no-repeat top center;
}

.interactive-side-nav {
  background: transparent url(http://thewebbakery.co.uk/assets/graphics/interactive-icon-sml.png) no-repeat top center;
}

.ux-side-nav {
  background: transparent url(http://thewebbakery.co.uk/assets/graphics/ux-icon-sml.png) no-repeat top center;
}