.loader{
	 text-align: center;
	 margin: 220px auto 0; 
	 position: relative;
}
.loader .domino > div{
	width: 30px;
	height: 30px;
	border-radius: 8px;
	display: inline-flex;
	transform: rotate(45deg);
	animation: domino-effect 2.4s infinite ease-in-out;
}
.loader .domino > div:after{
	content: "";
	width: 30px;
	height: 30px;
	border-radius: 8px;
	opacity: 0;
	position: relative;
	top: 0px;
	left: -43px;
	animation: illusion 2.4s infinite ease-in-out;
}
.domino > div:nth-child(1){
	margin: 13px;
	background: #f50057;
	animation-delay: 0.7s;
}
.domino > div:nth-child(1):after{
	background: #f50057;
	animation-delay: 0.7s;
}
.domino > div:nth-child(2){
	margin: 13px;
	background: #d50000;
	animation-delay: 1.2s;
}
.domino > div:nth-child(2):after{
	background: #d50000;
	animation-delay: 1.2s;
}
.domino > div:nth-child(3){
	margin: 13px;
	background: #841aed;
	animation-delay: 1.8s;
}
.domino > div:nth-child(3):after{
	background: #841aed;
	animation-delay: 1.8s;
}
.domino > div:nth-child(4){
	margin: 13px;
	background: deepskyblue;
	animation-delay: 2.4s;
}
.domino > div:nth-child(4):after{
	background: deepskyblue;
	animation-delay: 2.4s;
}

@keyframes illusion{
	0%, 25%{
		opacity: 1;
	}
	25.3%, 33.33%, 100%{
		opacity: 0;
	}
}

@keyframes domino-effect{
	20%, 100%{
		transform: rotate(135deg);
	}
}