.nav-link {
	-webkit-transition: opacity 0.3s ease;
	   -moz-transition: opacity 0.3s ease;
		 -o-transition: opacity 0.3s ease;
			transition: opacity 0.3s ease;
	}
.mega-hover {
	-webkit-transition: opacity 0.3s ease;
	   -moz-transition: opacity 0.3s ease;
			transition: opacity 0.3s ease;
	-webkit-transform-style: preserve-3d;
	}