#overlay {
	position: absolute;
	display: none;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(255, 255, 255, 0.8);
	/* background-color: rgba(0, 0, 0, 0.5); */
	z-index: 2;
	cursor: pointer;
}
.spinner-50 {
	width: 50px;
	height: 50px;
}
.spinner-75 {
	width: 75px;
	height: 75px;
}
.placeholder {
	display: inline-block;
	min-height: 1em;
	vertical-align: middle;
	cursor: wait;
	background-color: currentcolor;
	opacity: 0.5;
}
.placeholder.btn::before {
	display: inline-block;
	content: "";
}

.placeholder-xs {
	min-height: 0.6em;
}

.placeholder-sm {
	min-height: 0.8em;
}

.placeholder-lg {
	min-height: 1.2em;
}

.placeholder-glow .placeholder {
	animation: placeholder-glow 2s ease-in-out infinite;
}

@keyframes placeholder-glow {
	50% {
		opacity: 0.2;
	}
}
.placeholder-wave {
	-webkit-mask-image: linear-gradient(
		130deg,
		#000 55%,
		rgba(0, 0, 0, 0.8) 75%,
		#000 95%
	);
	mask-image: linear-gradient(
		130deg,
		#000 55%,
		rgba(0, 0, 0, 0.8) 75%,
		#000 95%
	);
	-webkit-mask-size: 200% 100%;
	mask-size: 200% 100%;
	animation: placeholder-wave 2s linear infinite;
}

@keyframes placeholder-wave {
	100% {
		-webkit-mask-position: -200% 0%;
		mask-position: -200% 0%;
	}
}