JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper-splash">
	<div class="ban-rotate">
		<img src="Custom/Themes/smashburger/Inserts/Images/smash-splash.jpg" alt="banner" />
	</div>
	<div class="top_category clearfix">
		<ul class="categories">
			<li class="clearfix">
				<div class="top-inf">
				<h3><a href="http://smashburger.adamsmcclure.com/UserContentStart.aspx?category=14">MENU</a></h3>
				</div>

				<div class="description">
				<span class="bold">
				
				</span>
				<p class="inf">
				Need menus? Order your market specific menus here.
				</p>
				</div>
			</li>
			<li class="clearfix">
				<div class="top-inf">
				<h3>GRAND OPENING BOX</h3>
				</div>

				<div class="description">
				<p class="inf">
				Select a product category below  
				</p>
					<ul class="tabs left">
						<li class="link">
						<a href="http://smashburger.adamsmcclure.com/UserContentStart.aspx?category=2">Grand Opening</a>
						</li>
						<li class="link">
						<a href="#">Invites Editable</a>
						</li>
						<li class="link">
						<a href="#">Invites Downloadable</a>
						</li>
					</ul>
				</div>
			</li>
			<li class="clearfix">
				<div class="top-inf">
				<h3>MARKETING</h3>
				</div>

				<div class="description">
				<span class="bold">
				</span>
				<p class="inf">
				Shop our inventory of current in store POP featuring relevant Limited Time Only offers. 
				</p>
					<ul class="tabs left">
						<li class="link">
						<a href="#">Limited Time Only POP</a>
						</li>
						<li class="link">
						<a href="#">Local Store Marketing</a>
						</li>
						<li class="link">
						<a href="#">Stationary</a>
						</li>						
						<li class="link">
						<a href="#">Miscellaneous</a>
						</li>
					</ul>
				</div>
			</li>			
			<li class="clearfix">
				<div class="top-inf">
				<h3>OPERATIONS & TRAINING</h3>
				</div>

				<div class="description">
				<span class="bold">
				</span>
				<p class="inf">
				
				</p>
					<ul class="tabs left">
						<li class="link">
						<a...

CSS

.top_category {position: relative; background:none orange; z-index: -1;
    border-color: #555555;
    border-image: none;
    border-style: solid;
    border-width: 0 1px 0 0;

}
.categories {/* background:none red; */}
.top_category:before, .top_category:after,
.categories:before, .categories:after {
   content: " ";
   position: absolute;
   z-index: -1;
   top: 0;
   left: 20%;
   width: 20%;
   height: 100%;
   background: #ccc;
    border-color: #555555;
    border-image: none;
    border-style: solid;
    border-width: 0 1px;
}
.top_category:before {
   left: 0%;
   background: #eee;
    
}
.top_category:after {
   left: 20%;
   background: green;
}
.categories:before {
   left: 40%;
   background: pink;
}
.categories:after {
   left: 60%;
   background: yellow;
}

td.basic tr table {
    width: 100%;
}
	p#MessageNoEntries {
		display: none;
	}
	.basic {
		display: none;
	}

.wrapper-splash {
    display: block;
	margin: 0 auto;
    max-width: 1155px;
    width: 90%;
    position: relative;
}
	.top_category {
		width: auto;
		height: auto;
		
	
	}
	
	.inf > a {
    word-wrap: break-word;
	}
	.clearfix:after {
	  display: block;
	   height: 0;
	   clear: both;
	}
	.top_category ul.categories {
		display: inline-block;
		padding: 0px;
		margin: 0px;
		padding-top: 15px;
		text-align: center;
	}
	*+html .top_category ul.categories li {
		margin-left: 10px;
		text-align: left;
	}	
	*+html .top_category ul.categories li:first-child {
		margin-left: 0px;
	}
	.top_category ul.categories li {
    list-style: none outside none;
	text-align: left;
    vertical-align: top;
    width: 17%;
	zoom: 1;
	 margin: 0 1.5%;
    float:left;
	}
	div.top-inf {
		
		height: 30px;
		width: 100%;
	}
	div.top-inf h3 {
		padding-left: 15px;
		font-size: 1em;
		height: 20px;
	}
	div.top-inf a {
		text-decoration: none;
		font-size: 14px;
	}


	div.description {
		width: 100%;
		margin: 5px;
		min-height: 135px;
	}
	div.description span.bold {
	color: #000;
	font-weight:...

JavaScript

/* //// Responsive Columns having equal height + ajoining borders! \\\\ */