Edit in JSFiddle

<div class="centerDiv"> 
	<div class="div1">
		bnson.blogspot.com<br />
		bnson.blogspot.com<br />
		bnson.blogspot.com<br />
	</div> 
	<div class="div2"> 
		bnson.blogspot.com<br />
		bnson.blogspot.com<br />
		bnson.blogspot.com<br />
	</div> 
</div> 

.centerDiv {
	width: 60%; 
	height:150px; 
	margin: 0 auto; 
	background-color:#FFA500; 
} 
	
.div1 { 
	width: 50%;
	height:100%;
	background-color:#A52A2A;
	float:left;
	text-align:center;
} 

.div2 { 
	width: 50%;
	height:100%;
	background-color:#FFA500 ;
	float:left;
	text-align:center;
}