.estilo_botao a {
	padding:0px;
	text-decoration: none;
	text-align:center;
	color:#ffffff; 
	background: #005993 url(imagem01.jpg);
	width:116px;
	height:20px;
	display:block;
	font-family: verdana, arial, helvetica, sans-aerif;
	font-size: 11px;
	line-height: 20px;
	font-weight: bold;
} 

.estilo_botao a:hover {
	padding:0px;
	text-decoration: none;
	text-align:center;
	color:#005892; 
	background: #ffffff;
	width:116px;
	height:20px;
	display:block;
	font-family: verdana, arial, helvetica, sans-aerif;
	font-size: 11px;
	line-height: 20px;
	font-weight: bold;
}