@keyframes spinner-line-fade-more {
		0%, 100% {
			opacity: 0; /* minimum opacity */
		}
		1% {
			opacity: 1;
		}
	}
	
	@keyframes spinner-line-fade-quick {
		0%, 39%, 100% {
			opacity: 0.25; /* minimum opacity */
		}
		40% {
			opacity: 1;
		}
	}
	
	@keyframes spinner-line-fade-default {
		0%, 100% {
			opacity: 0.22; /* minimum opacity */
		}
		1% {
			opacity: 1;
		}
	}
	
	@keyframes spinner-line-shrink {
		0%, 25%, 100% {
			/* minimum scale and opacity */
			transform: scale(0.5);
			opacity: 0.25;
		}
		26% {
			transform: scale(1);
			opacity: 1;
		}
	}