.fa-spin {
    text-decoration: blink;
	-webkit-animation-name: blinker;
	-webkit-animation-duration: 1s;
	-webkit-animation-iteration-count:infinite;
	-webkit-animation-timing-function:ease-in-out;
	-webkit-animation-direction: alternate;
}

@-webkit-keyframes blinker {
	from {opacity: 1.0;}
	to {opacity: 0.0;}
}