____This is a great example, It uses (Bulma CSS) https://bulma.io/ instead of ordinary css____
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Landing - Free Bulma template</title>
<link rel="shortcut icon" href="../images/fav_icon.png" type="image/x-icon">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,700" rel="stylesheet">
<!-- Bulma Version 0.9.0-->
<link rel="stylesheet" href="https://unpkg.com/bulma@0.9.0/css/bulma.min.css" />
<link rel="stylesheet" type="text/css" href="../css/landing.css">
</head>
<body>
<section class="hero is-info is-fullheight">
<div class="hero-head">
<nav class="navbar">
<div class="container">
<div class="navbar-brand">
<a class="navbar-item" href="../">
<img src="http://bulma.io/images/bulma-type-white.png" alt="Logo">
</a>
<span class="navbar-burger burger" data-target="navbarMenu">
<span></span>
<span></span>
<span></span>
</span>
</div>
<div id="navbarMenu" class="navbar-menu">
<div class="navbar-end">
<span class="navbar-item">
<a class="button is-white is-outlined" href="#">
<span class="icon">
<i class="fa fa-home"></i>
</span>
<span>Home</span>
</a>
</span>
<span class="navbar-item">
<a class="button is-white is-outlined" href="#">
<span class="icon">
<i class="fa fa-superpowers"></i>
</span>
<span>Examples</span>
</a>
</span>
<span class="navbar-item">
<a class="button is-white is-outlined" href="#">
<span class="icon">
<i class="fa fa-book"></i>
</span>
<span>Documentation</span>
</a>
</span>
<span class="navbar-item">
<a class="button is-white is-outlined" href="https://github.com/BulmaTemplates/bulma-templates/blob/master/templates/landing.html">
<span class="icon">
<i class="fa fa-github"></i>
</span>
<span>View Source</span>
</a>
</span>
</div>
</div>
</div>
</nav>
</div>
<div class="hero-body">
<div class="container has-text-centered">
<div class="column is-6 is-offset-3">
<h1 class="title">
Coming Soon
</h1>
<h2 class="subtitle">
$this is the best software platform for running an internet business. We handle billions of dollars every year for forward-thinking businesses around the world.
</h2>
<div class="box">
<div class="field is-grouped">
<p class="control is-expanded">
<input class="input" type="text" placeholder="Enter your email">
</p>
<p class="control">
<a class="button is-info">
Notify Me
</a>
</p>
</div>
</div>
</div>
</div>
</div>
</section>
<script async type="text/javascript" src="../js/bulma.js"></script>
</body>
</html>