body > h1{
		      
			 	text-align:center;
			   }	 
			  
			 body > h2{
			 	text-align:center;
			   }
			   
			 body{
			 
			 	background-image: url('silly4.jpg');
			   
			   }
			 
			 
			 section{
			 
			 	display:block;
			 }
			 
			 
			 
			 article > h1{
			 	/*color:red;*/
			 	text-align:center;
				font-size: xx-Large;
			   }
			   
			 
			 
			 section{
			 clear:both;
			 }
			
			
			sebBox
			{
				clear: both; 							
			}	
			 section > h1{
			 	
				//color:blue;
			 	font-size: x-Large;	
			   }      
			 
			 	
			 exercise:before
			     {content: "Exercise: ";}
			 
			 coursework:before
			     {content: "Coursework: ";}
			 
			 exercise a
			     {color: white;}
			     
			
			
			myCode{
				display:block;
				text-decoration:none;
				border: 5px double;
				color: #ffffff;

				background-color: #484848;
				margin: 5px 5px 9px 5px;
				padding: 15px 0;
				position: relative;		
			       }
			       
			     
			diagram{
				display:block;
				text-decoration:none;
				border: 5px double;
				color: #ffffff;
				background-color: #404090;
				margin: 5px 5px 9px 5px;
				padding: 15px 0;
				position: relative;		
			       } 
			       
			        exerxise p{
			 	color: #ffffff;
				background-color: green;
								
				}
			   

			   exercise{
			 	display:block;
				text-decoration:none;
				border: 5px double;
				color: #ffffff;
				background-color: green;
				margin: 5px 5px 9px 5px;
				padding: 15px 0;
				position: relative;				        
								
				}          
			   coursework{
			 	display:block;
				text-decoration:none;
				border: 5px double;
				color: #ffffff;
				background-color: purple;
				margin: 5px 5px 9px 5px;
				padding: 15px 0;
				position: relative;				        
								
				}          
				
			 p{
			 
			 	display:block;
			 }    
			
			
			advice {
				//font-size:200%;
				color:red;
			       	display:block;
				border: 5px double;
				color: #333333;
				background-color: red;
				margin: 5px 5px 9px 5px;
				padding: 15px 0;
				position: relative;
				width: 80%	
			       }	
			 advice:before
			     {content: "Advice from Sebastian: ";
			      color:black;}      
	
			advice a
			     {color: white;}
			
			
			table[id="table1"]
			{  	margin-left: auto;
				margin-right: auto;
				background-color: orange;
				border: 5px double;
				padding: 15px 0;
				
			}
			 
			left
			{
			
				float:left;
				position: relative;
				width: 40%;
				background-color: purple;
				border: 5px double;
				padding: 15px 0;
				display:block;
			}  	
	
			right
			{
			
				float:right;
				position: relative;
				width: 40%;
				
				background-color: yellow;
				border: 5px double;
				padding: 15px 0;
				display:block;	
						
			}
			
			
			#result
			{
			
			font-size:500%;
			
			}
			/*.clearboth { clear: both; }*/