<div id="button">


			<img src="button/yt_bt1.png"   />
			<img src="button/fb_bt1.png"  /
			<img src="button/iw_bt1.png"  />


	</div>
css:

div#button{
width:180px;
height:30px;
border: 1px solid #999999;
}
div#button img{
}