/* Social network icons */
ul.social { list-style-type:none; display:inline; }
ul.social li { display:inline; }
ul.social li a { text-decoration:inherit; }
ul.social a {
	transition: opacity 1s ease-in-out;
	opacity:0.6;
}
ul.social a:hover {
	opacity:1;
}
ul.social a img { 
	border: 0;
	background-color:gray;
}
@media all and (orientation:landscape) {
	ul.social a img { 
		width:8vh; 
		border-radius: 4vh;
		box-shadow: 0 0 2vh #555;
	} 
}
@media all and (orientation:portrait) { 
	ul.social a img { 
		width:8vw; 
		border-radius: 4vw;
		box-shadow: 0 0 2vw #555;
	} 
}