Boton CSS

#Botones {
background #000 url (http://img864.imageshack.us/img864/2943/login2y.png);
floate: center;
width: anchopx;
heigth: altopx;
}


.Botones a:hover {
background #000 url (http://img864.imageshack.us/img864/2943/login2y.png);
floate: center;
width: anchopx;
heigth: altopx;
}