body, div, 
h1, h2, h3, 
p, ul, li, 
header, footer {
padding: 10px; 
}



header, nav, 
main, footer, div {
border: 2px solid #000066; 
}



header, nav, 
main, footer {
background-color: #4f81bd; 
}



h1 {
font-size: 28px;
 font-weight: bold; 
}



li {
list-style-position: inside;
 list-style-type: disc; 
}

#box1 {	width: 300px; 
	height: 100px; 
	background-color: #f00;
	float: left;
	}

#box2 {	width: 300px; 
	height: 100px; 
	background-color: #0f0;
	float: right;
	}

#box3 {	width: 300px; 
	height: 100px; 
	background-color: #A9E6FE;
	float: left;
	}

#box4 {	width: 300px; 
	height: 100px; 
	background-color: #fc0;
	float: right;
	}

footer {clear: both;
	}