.guest {
	background: url('https://tecnoblog.net/wp-content/themes/tb/img/retina/user.png') no-repeat !important;
	background-size: 30px 30px !important;
}

.topo a {
	background: url('https://tecnoblog.net/wp-content/themes/tb/img/retina/topo.png') no-repeat center;
	background-size: 50px 50px;
}

/* .lupa {
	background: url('https://tecnoblog.net/wp-content/themes/tb/img/retina/lupa.png') no-repeat;
	background-size: 16px 16px;
} */