header	{width: 80%;
		 padding: 30px;
		 margin: 30px;
		 text-align: center;
		 background-color: red;
		 height: 40 px;
		}	
		
aside	{width: 500px;
		 border: 2px dashed blue;
		 padding: 20px;
		 margin: 10px;
		 text-align: center;
		 height: 400 px;
		 line-height: 2;
		}	


		
article	{width: 40%;
		 border: 2px solid blue;
		 padding: 20px;
		 margin: 1px;
		 text-align: center;
		 height: 400 px;
		 position: static;
		 left: 150 px;
		 top: 150 px;
		}	

		
		
		
footer	{width: 90%;
		 padding: 30px;
		 margin: 30px;
		 text-align: center;
		 background-color: silver;
		 height: 20 px;
		 letter-spacing: 300 px;
		}
		
img		{width:30%; 
		 height:120;
		}