 <style type="text/css">
    
    body {font-size:16px}
    
    p {
     	margin-bottom: 1em;
  		margin-top: 0em;
  	}
  	
    p.quiz {
     	background-color: yellow;
  		color: black;
  	}
  	
  	span.quiz {
  		background-color:yellow;
  		font-weight: bold;
  	}
     h1 {
     	font-size:200%;
     	text-align:center;
     	margin-top:3em;
     }
     
     h2 {font-size:125% }
	 
	 hr {
	 	display: inline;
		text-align: left;
		width: 50%;					 	
	 }
	 
	 p.class_name {
	 	font-size: 100%;
	 	font-weight: bold;
		border-bottom: 1px solid red;
		margin-bottom: 0.4em;
	  }
    </style>