.estilo_botao a {
	padding:0px;
	text-decoration: none;
	text-align:center;
	color:#ffffff; 
	background: #B6714A url(imagem01.jpg);
	width:128px;
	height:48px;
	display:block;
	font-family: verdana, arial, helvetica, sans-aerif;
	font-size: 13px;
	line-height: 48px;
	font-weight: bold;
} 

.estilo_botao a:hover {
	padding:0px;
	text-decoration: none;
	text-align:center;
		color:#422100; 
	background: #DD8D44 url(imagem02.jpg);
	width:128px;
	height:48px;
	display:block;
	font-family: verdana, arial, helvetica, sans-aerif;
	font-size: 13px;
	line-height: 48px;
	font-weight: bold;
}