JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>
<html>
<html lang="da">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>XXXXXX</title>
<meta name="description" content="UDLÆRT MEDIEGRAFIKER ANNO NOVEMBER 16">
<meta name="keywords" content="mediegrafiker, uddannelse, portfolio, svendeprøve, grafisk design">
<meta name="viewport" content="initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="main.css">
<link href="https://fonts.googleapis.com/css?family=Oswald:400" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Raleway" rel="stylesheet">

</head>
<body>



<div id="left"></div>
<div id="right"></div>
<div id="top"></div>
<div id="bottom"></div>


<h1><a href="index.html">TEST SIDE</a></h1>

<h2>DETTE ER EN TEST</h2>

     
    <video playsinline autoplay muted loop poster="files/placeholder.jpg" id="bgvid">
      <source src="images/webmovie.mov" type="video/webm">
      <source src="images/webmovie.mov" type="video/mp4">
    </video>
  
 
 
 
  
<div class="footer"><p><a href="https://www.facebook.com/philipcreamer19" target="_blank">FACEBOOK</a> / <a href="https://www.instagram.com/philip.creamer/" target="_blank">INSTAGRAM</a> / <a href="https://www.behance.net/philipcreamer" target="_blank">BEHANCE</a></p></div>  

</body>
</html>

CSS

@charset "UTF-8";
/* CSS Document */


body { 
  width: 100%;
  height: auto;
  min-height: 100% !important;
}
  

* {
    margin: 0;
    padding: 0;
   
}

h1 { 
	font-family: 'Oswald', sans-serif;
	font-size: 1em;
	letter-spacing: 1px;
	padding-top: 50px;
	color: white;
	text-decoration: none;
	text-align: left;
	padding-left: 5.3%;
  
}


h2 { 
	font-family: 'Oswald', sans-serif;
	font-size: 1.2em;
	text-align: center;
	line-height: 50px;
	padding-top: 120px;
	letter-spacing: 1px;
	color: white;
	
	
  
}

h3 { 
	font-family: 'Oswald', sans-serif;
	font-size: 1em;
	text-align: center;
	line-height: 50px;
	padding-top: 20px;
	letter-spacing: 1px;
	color: white;
	
	
  
}

#top, #bottom, #left, #right {
			background: white;
			position: fixed;
		
			
			}
			#left, #right {
			top: 0px; bottom: 0px;
			width: 13px;
			}
			#left { left: 0px; }
			#right { right: 0px; }
			
			#top, #bottom {
			left: 0px; right: 0px;
			height: 13px;
			}
			#top { top: 0px; }
			#bottom { bottom: 0px; 
}
  

a { 
	color: white;
	text-decoration: none;
	
  
}

p { 
	font-family: 'Oswald', sans-serif;
	font-size: 0.60em;
	word-spacing: 8px;
	padding-top: 2px;
	letter-spacing: 1px;
	color: white;
	text-align: center;
  
}

video#bgvid { 
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    -ms-transform: translateX(-50%) translateY(-50%);
    -moz-transform: translateX(-50%) translateY(-50%);
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
   
}

.footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 2.2em;
  text-align: center;
}

a:hover { 
    color: orange;
}

	

	/* Media Queries */
@media(max-width: 768px){
	
	h2 { 
	font-family: 'Oswald', sans-serif;
	font-size: 2em;
	line-height: 50px;
	padding-top: 180px;
	letter-spacing: 1px;
	color: white;
	

}

  .footer {
  position: absolute;
  right: 0;
 ...