JSFiddle - React, Tailwind, and code Playground

HTML

</head>
	<body>
		<div>
			<div class='landing-block'>
				<h1 style='background-color: #3991db;'>
					<a href='#'>COMPANIES</a>
				</h1>
				<ul>
					<li><a href='#'>Search Companies</a></li>
					<li><a href='#'>New Company</a></li>
				<ul>
			</div>
			<div class='landing-block'>
				<h1 style='background-color: #9139db;'>
					<a href='#'>PEOPLE</a>
				</h1>
				<ul>
					<li><a href='#'>Search People</a></li>
					<li><a href='#'>New Person</a></li>
				<ul>
			</div>
			<div class='landing-block'>
				<h1 style='background-color: #c2db39;'>
					<a href='#'>Products</a>
				</h1>
			</div>
		<div>
	</body>
</html>

CSS

body {
	font-family: Helvetica;
}

h1 {
	margin: 0px;
	padding: 10px;
	font-weight: bold;
	border-bottom: 1px solid #aaaaaa;
	font-size: 12px;
}

a {
	text-decoration: none;
}

ul {
	padding-left: 20px;
}

li {
	list-style-type: none;
	font-size: 12px;
}

.landing-block {
	display: inline-block;
	background-color: #eeeeee;
	margin-right: 30px;
	width: 192px;
	height: 140px;
	border: 1px solid #aaaaaa;
	-moz-box-shadow: 3px 3px 5px #535353;
	-webkit-box-shadow: 3px 3px 5px #535353;
	box-shadow: 3px 3px 5px #535353;
}

.header {
	padding: 10px;
	background-color: red;
	border-bottom: 1px solid #aaaaaa;
	color: #ffffff;
}
	
a:hover {
	text-decoration:underline; 
}

h1 > a {
	color: #ffffff;
}

h1 > a:hover { 
	color:#ffffff;
}

li > a {
	color: #000000;
}

li > a:hover { 
	color: #000000;
}