#block-navegacionbotones .nav-item {
	width: 25%;
	display: block;
}
#block-navegacionbotones .nav-item img {
	width: 100%;
}
#block-navegacionbotones .nav.navbar-nav {
	flex-direction: row;
}
#block-navegacionbotones .nav.navbar-nav {
	flex-direction: row;
	justify-content: center;
}