@keyframes spinner {
	to {transform: rotate(360deg);}
}
 
@-webkit-keyframes spinner {
	to {-webkit-transform: rotate(360deg);}
}

.spinner {
	min-width: 24px;
	min-height: 24px;
}

.spinner:before {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	width: 16px;
	height: 16px;
	margin-top: -10px;
	margin-left: -10px;
}

.spinner:not(:required):before {
	content: "";
	border-radius: 50%;
	border: 2px solid #FFF;
	border-top-color: rgba(0, 0, 0, 0);
	animation: spinner 0.8s linear infinite;
	-webkit-animation: spinner 0.8s linear infinite;
}