body {
    background-color:  #3694a0;
}



#wrapper {
	position: relative;
	width: 900px;
	margin: auto; 
	
}

#header {
    
    width: 900px;
    height: 186px;
    background-color:   #1c954f;
	border: 1px solid  #00ff13;
}

#nav {
  position: absolute;
	top: 200px; 
    background-color:  #1c954f;
    width: 25%;
    height: 300px;
	border: 1px solid  #00ff13;
}

#article {
    top: 3px;
    left: 170%;
	position: absolute;
    background-color:  #1c954f;
    width: 180%;
    height: 460px;
	border: 1px solid  #00ff13;
}

#footer {
    position: absolute;
	top: 465px;
    background-color:  #1c954f;
    width: 800px;
    height: 70px;
	border: 1px solid  #00ff13;
}