body {
	margin: 0 auto;
	top: 0;
	background: #FFF url(../images/bg_interior.jpg) top no-repeat;
}

#button_voltar {
	width: 107px;
	height: 20px;
	background: url(../images/icon_button_voltar.gif) 0px 0px no-repeat;
	top: 47px;
	left: 750px;
	position:relative;
	cursor: pointer;
}

#button_voltar:hover {
	width: 107px;
	height: 20px;
	background: url(../images/icon_button_voltar.gif) 0px -21px no-repeat;
	cursor: pointer;
}