html,body,p,h1,h2,h3,h4,h5,h6,div,span,ul,li,ol,dl,dt,dd{
	margin: 0;
	padding: 0;
}
body { 
background-image: url("../fondo/libro.jpg"); 
background-attachment: fixed; 
background-position: 100% 100%; 
background-repeat: no-repeat; 
}