.ntlgmodal-loading {
	&:before {
		content: 'Loading...';
		position: absolute;
		top: 50%;
		left: 50%;
		width: 48px;
		height: 48px;
		margin-top: -24px;	// height/2 + header height
		margin-left: -24px;
		text-align: center;
		z-index: 2000
	}

	&:not(:required):before {
		content: '';
		border-radius: 50%;
		border: 2px solid rgba(0, 0, 0, 0.3);
		border-top-color: rgba(0, 0, 0, 0.6);
		-webkit-animation: modalLoadingSpinner .6s linear infinite;
		animation: modalLoadingSpinner .6s linear infinite;
	}
}

/* Spinner */
@keyframes modalLoadingSpinner {
	to {transform: rotate(360deg);}
}

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