.footer {
	background: $black;
	padding: 30px 0;

	/* sticky footer */
	flex-shrink: 0;
}

.porta {
	width: 69px;
	height: 15px;
	display: block;
	float: right;
	color: $gray;
	fill: $gray;

	&:hover, &:active, &:focus {
		color: $white;
		fill: $white;
	}
}