.iconExcluir{
	background: url("/javax.faces.resource/imagens/excluir.png.xhtml") no-repeat !important;
} 

.iconEditar{
	background: url("/javax.faces.resource/imagens/editar.png.xhtml") no-repeat !important;
} 

.iconButtonPadrao{
	width:26px !important;
	height:26px !important;
}