:root {
	--sk-size: 20px;
	--sk-color: #333;
}

.sk-center {
	margin: auto;
}

.sk-plane {
	width: var(--sk-size);
	height: var(--sk-size);
	background-color: var(--sk-color);
	animation: sk-plane 1.2s infinite ease-in-out;
}

@keyframes sk-plane {
	0% {
		transform: perspective(120px) rotateX(0deg) rotateY(0deg);
	}

	50% {
		transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
	}

	100% {
		transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
	}
}

.sk-chase {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
	animation: sk-chase 2.5s infinite linear both;
}

.sk-chase-dot {
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	animation: sk-chase-dot 2s infinite ease-in-out both;
}

.sk-chase-dot:before {
	content: "";
	display: block;
	width: 25%;
	height: 25%;
	background-color: var(--sk-color);
	border-radius: 100%;
	animation: sk-chase-dot-before 2s infinite ease-in-out both;
}

.sk-chase-dot:nth-child(1) {
	animation-delay: -1.1s;
}

.sk-chase-dot:nth-child(2) {
	animation-delay: -1s;
}

.sk-chase-dot:nth-child(3) {
	animation-delay: -0.9s;
}

.sk-chase-dot:nth-child(4) {
	animation-delay: -0.8s;
}

.sk-chase-dot:nth-child(5) {
	animation-delay: -0.7s;
}

.sk-chase-dot:nth-child(6) {
	animation-delay: -0.6s;
}

.sk-chase-dot:nth-child(1):before {
	animation-delay: -1.1s;
}

.sk-chase-dot:nth-child(2):before {
	animation-delay: -1s;
}

.sk-chase-dot:nth-child(3):before {
	animation-delay: -0.9s;
}

.sk-chase-dot:nth-child(4):before {
	animation-delay: -0.8s;
}

.sk-chase-dot:nth-child(5):before {
	animation-delay: -0.7s;
}

.sk-chase-dot:nth-child(6):before {
	animation-delay: -0.6s;
}

@keyframes sk-chase {
	100% {
		transform: rotate(360deg);
	}
}

@keyframes sk-chase-dot {
	80%,100% {
		transform: rotate(360deg);
	}
}

@keyframes sk-chase-dot-before {
	50% {
		transform: scale(0.4);
	}

	100%,0% {
		transform: scale(1);
	}
}

.sk-bounce {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
}

.sk-bounce-dot {
	width: 100%;
	height: 100%;
	border-radius: 50%;
	background-color: var(--sk-color);
	opacity: .6;
	position: absolute;
	top: 0;
	left: 0;
	animation: sk-bounce 2s infinite cubic-bezier(0.455, 0.03, 0.515, 0.955);
}

.sk-bounce-dot:nth-child(2) {
	animation-delay: -1s;
}

@keyframes sk-bounce {
	0%,100% {
		transform: scale(0);
	}

	45%,55% {
		transform: scale(1);
	}
}

.sk-wave {
	width: var(--sk-size);
	height: var(--sk-size);
	display: flex;
	justify-content: space-between;
}

.sk-wave-rect {
	background-color: var(--sk-color);
	height: 100%;
	width: 15%;
	animation: sk-wave 1.2s infinite ease-in-out;
}

.sk-wave-rect:nth-child(1) {
	animation-delay: -1.2s;
}

.sk-wave-rect:nth-child(2) {
	animation-delay: -1.1s;
}

.sk-wave-rect:nth-child(3) {
	animation-delay: -1s;
}

.sk-wave-rect:nth-child(4) {
	animation-delay: -0.9s;
}

.sk-wave-rect:nth-child(5) {
	animation-delay: -0.8s;
}

@keyframes sk-wave {
	0%,40%,100% {
		transform: scaleY(0.4);
	}

	20% {
		transform: scaleY(1);
	}
}

.sk-pulse {
	width: var(--sk-size);
	height: var(--sk-size);
	background-color: var(--sk-color);
	border-radius: 100%;
	animation: sk-pulse 1.2s infinite cubic-bezier(0.455, 0.03, 0.515, 0.955);
}

@keyframes sk-pulse {
	0% {
		transform: scale(0);
	}

	100% {
		transform: scale(1);
		opacity: 0;
	}
}

.sk-flow {
	width: calc(var(--sk-size)*1.3);
	height: calc(var(--sk-size)*1.3);
	display: flex;
	justify-content: space-between;
}

.sk-flow-dot {
	width: 25%;
	height: 25%;
	background-color: var(--sk-color);
	border-radius: 50%;
	animation: sk-flow 1.4s cubic-bezier(0.455, 0.03, 0.515, 0.955) 0s infinite both;
}

.sk-flow-dot:nth-child(1) {
	animation-delay: -0.3s;
}

.sk-flow-dot:nth-child(2) {
	animation-delay: -0.15s;
}

@keyframes sk-flow {
	0%,80%,100% {
		transform: scale(0.3);
	}

	40% {
		transform: scale(1);
	}
}

.sk-swing {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
	animation: sk-swing 1.8s infinite linear;
}

.sk-swing-dot {
	width: 45%;
	height: 45%;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	margin: auto;
	background-color: var(--sk-color);
	border-radius: 100%;
	animation: sk-swing-dot 2s infinite ease-in-out;
}

.sk-swing-dot:nth-child(2) {
	top: auto;
	bottom: 0;
	animation-delay: -1s;
}

@keyframes sk-swing {
	100% {
		transform: rotate(360deg);
	}
}

@keyframes sk-swing-dot {
	0%,100% {
		transform: scale(0.2);
	}

	50% {
		transform: scale(1);
	}
}

.sk-circle {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
}

.sk-circle-dot {
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
}

.sk-circle-dot:before {
	content: "";
	display: block;
	width: 15%;
	height: 15%;
	background-color: var(--sk-color);
	border-radius: 100%;
	animation: sk-circle 1.2s infinite ease-in-out both;
}

.sk-circle-dot:nth-child(1) {
	transform: rotate(30deg);
}

.sk-circle-dot:nth-child(2) {
	transform: rotate(60deg);
}

.sk-circle-dot:nth-child(3) {
	transform: rotate(90deg);
}

.sk-circle-dot:nth-child(4) {
	transform: rotate(120deg);
}

.sk-circle-dot:nth-child(5) {
	transform: rotate(150deg);
}

.sk-circle-dot:nth-child(6) {
	transform: rotate(180deg);
}

.sk-circle-dot:nth-child(7) {
	transform: rotate(210deg);
}

.sk-circle-dot:nth-child(8) {
	transform: rotate(240deg);
}

.sk-circle-dot:nth-child(9) {
	transform: rotate(270deg);
}

.sk-circle-dot:nth-child(10) {
	transform: rotate(300deg);
}

.sk-circle-dot:nth-child(11) {
	transform: rotate(330deg);
}

.sk-circle-dot:nth-child(1):before {
	animation-delay: -1.1s;
}

.sk-circle-dot:nth-child(2):before {
	animation-delay: -1s;
}

.sk-circle-dot:nth-child(3):before {
	animation-delay: -0.9s;
}

.sk-circle-dot:nth-child(4):before {
	animation-delay: -0.8s;
}

.sk-circle-dot:nth-child(5):before {
	animation-delay: -0.7s;
}

.sk-circle-dot:nth-child(6):before {
	animation-delay: -0.6s;
}

.sk-circle-dot:nth-child(7):before {
	animation-delay: -0.5s;
}

.sk-circle-dot:nth-child(8):before {
	animation-delay: -0.4s;
}

.sk-circle-dot:nth-child(9):before {
	animation-delay: -0.3s;
}

.sk-circle-dot:nth-child(10):before {
	animation-delay: -0.2s;
}

.sk-circle-dot:nth-child(11):before {
	animation-delay: -0.1s;
}

@keyframes sk-circle {
	0%,80%,100% {
		transform: scale(0);
	}

	40% {
		transform: scale(1);
	}
}

.sk-circle-fade {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
}

.sk-circle-fade-dot {
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
}

.sk-circle-fade-dot:before {
	content: "";
	display: block;
	width: 15%;
	height: 15%;
	background-color: var(--sk-color);
	border-radius: 100%;
	animation: sk-circle-fade 1.2s infinite ease-in-out both;
}

.sk-circle-fade-dot:nth-child(1) {
	transform: rotate(30deg);
}

.sk-circle-fade-dot:nth-child(2) {
	transform: rotate(60deg);
}

.sk-circle-fade-dot:nth-child(3) {
	transform: rotate(90deg);
}

.sk-circle-fade-dot:nth-child(4) {
	transform: rotate(120deg);
}

.sk-circle-fade-dot:nth-child(5) {
	transform: rotate(150deg);
}

.sk-circle-fade-dot:nth-child(6) {
	transform: rotate(180deg);
}

.sk-circle-fade-dot:nth-child(7) {
	transform: rotate(210deg);
}

.sk-circle-fade-dot:nth-child(8) {
	transform: rotate(240deg);
}

.sk-circle-fade-dot:nth-child(9) {
	transform: rotate(270deg);
}

.sk-circle-fade-dot:nth-child(10) {
	transform: rotate(300deg);
}

.sk-circle-fade-dot:nth-child(11) {
	transform: rotate(330deg);
}

.sk-circle-fade-dot:nth-child(1):before {
	animation-delay: -1.1s;
}

.sk-circle-fade-dot:nth-child(2):before {
	animation-delay: -1s;
}

.sk-circle-fade-dot:nth-child(3):before {
	animation-delay: -0.9s;
}

.sk-circle-fade-dot:nth-child(4):before {
	animation-delay: -0.8s;
}

.sk-circle-fade-dot:nth-child(5):before {
	animation-delay: -0.7s;
}

.sk-circle-fade-dot:nth-child(6):before {
	animation-delay: -0.6s;
}

.sk-circle-fade-dot:nth-child(7):before {
	animation-delay: -0.5s;
}

.sk-circle-fade-dot:nth-child(8):before {
	animation-delay: -0.4s;
}

.sk-circle-fade-dot:nth-child(9):before {
	animation-delay: -0.3s;
}

.sk-circle-fade-dot:nth-child(10):before {
	animation-delay: -0.2s;
}

.sk-circle-fade-dot:nth-child(11):before {
	animation-delay: -0.1s;
}

@keyframes sk-circle-fade {
	0%,39%,100% {
		opacity: 0;
		transform: scale(0.6);
	}

	40% {
		opacity: 1;
		transform: scale(1);
	}
}

.sk-grid {
	width: var(--sk-size);
	height: var(--sk-size);
}

.sk-grid-cube {
	width: 33.33%;
	height: 33.33%;
	background-color: var(--sk-color);
	float: left;
	animation: sk-grid 1.3s infinite ease-in-out;
}

.sk-grid-cube:nth-child(1) {
	animation-delay: .2s;
}

.sk-grid-cube:nth-child(2) {
	animation-delay: .3s;
}

.sk-grid-cube:nth-child(3) {
	animation-delay: .4s;
}

.sk-grid-cube:nth-child(4) {
	animation-delay: .1s;
}

.sk-grid-cube:nth-child(5) {
	animation-delay: .2s;
}

.sk-grid-cube:nth-child(6) {
	animation-delay: .3s;
}

.sk-grid-cube:nth-child(7) {
	animation-delay: 0s;
}

.sk-grid-cube:nth-child(8) {
	animation-delay: .1s;
}

.sk-grid-cube:nth-child(9) {
	animation-delay: .2s;
}

@keyframes sk-grid {
	0%,70%,100% {
		transform: scale3D(1, 1, 1);
	}

	35% {
		transform: scale3D(0, 0, 1);
	}
}

.sk-fold {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
	transform: rotateZ(45deg);
}

.sk-fold-cube {
	float: left;
	width: 50%;
	height: 50%;
	position: relative;
	transform: scale(1.1);
}

.sk-fold-cube:before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: var(--sk-color);
	animation: sk-fold 2.4s infinite linear both;
	transform-origin: 100% 100%;
}

.sk-fold-cube:nth-child(2) {
	transform: scale(1.1) rotateZ(90deg);
}

.sk-fold-cube:nth-child(4) {
	transform: scale(1.1) rotateZ(180deg);
}

.sk-fold-cube:nth-child(3) {
	transform: scale(1.1) rotateZ(270deg);
}

.sk-fold-cube:nth-child(2):before {
	animation-delay: .3s;
}

.sk-fold-cube:nth-child(4):before {
	animation-delay: .6s;
}

.sk-fold-cube:nth-child(3):before {
	animation-delay: .9s;
}

@keyframes sk-fold {
	0%,10% {
		transform: perspective(140px) rotateX(-180deg);
		opacity: 0;
	}

	25%,75% {
		transform: perspective(140px) rotateX(0deg);
		opacity: 1;
	}

	90%,100% {
		transform: perspective(140px) rotateY(180deg);
		opacity: 0;
	}
}

.sk-wander {
	width: var(--sk-size);
	height: var(--sk-size);
	position: relative;
}

.sk-wander-cube {
	background-color: var(--sk-color);
	width: 20%;
	height: 20%;
	position: absolute;
	top: 0;
	left: 0;
	--sk-wander-distance: calc(var(--sk-size) * 0.75);
	animation: sk-wander 2s ease-in-out -2s infinite both;
}

.sk-wander-cube:nth-child(2) {
	animation-delay: -0.5s;
}

.sk-wander-cube:nth-child(3) {
	animation-delay: -1s;
}

@keyframes sk-wander {
	0% {
		transform: rotate(0deg);
	}

	25% {
		transform: translateX(var(--sk-wander-distance)) rotate(-90deg) scale(0.6);
	}

	50% {
		transform: translateX(var(--sk-wander-distance)) translateY(var(--sk-wander-distance)) rotate(-179deg);
	}

	50.1% {
		transform: translateX(var(--sk-wander-distance)) translateY(var(--sk-wander-distance)) rotate(-180deg);
	}

	75% {
		transform: translateX(0) translateY(var(--sk-wander-distance)) rotate(-270deg) scale(0.6);
	}

	100% {
		transform: rotate(-360deg);
	}
}

:root {
	--sk-size: 20px;
	--sk-color: #fff;
}

.sk-wave {
	width: 40px;
	white-space: nowrap;
}

.sk-fading-circle .sk-circle {
	margin-top: 0;
	margin-bottom: 0;
}

.sk-wave {
	width: 40px;
	white-space: nowrap;
}

.sk-fading-circle .sk-circle {
	margin-top: 0;
	margin-bottom: 0;
}