<div class="cp_arrows">
<div class="cp_arrow"></div>
</div>

.cp_arrows *, .cp_arrows *:before, .cp_arrows *:after {
	-webkit-box-sizing: border-box;
	        box-sizing: border-box;
}
.cp_arrows {
	position: relative;
	display: flex;
	height: 300px;
	margin: 2em auto;
	justify-content: center;
	align-items: center;
}
.cp_arrows .cp_arrow,
.cp_arrows .cp_arrow:before {
	position: absolute;
	left: calc(50% - 10px);
	content: '';
}
.cp_arrows .cp_arrow {
	top: calc(50% - 18px);
	width: 36px;
	height: 36px;
	-webkit-transform: rotate(45deg);
	transform: rotate(45deg);
	border-width: 0 3px 3px 0;
	border-style: solid;
	border-color: transparent #d81b60 #d81b60 transparent;
}
.cp_arrows .cp_arrow:before {
	top: calc(50% - 10px);
	width: 20px;
	height: 20px;
	-webkit-animation: arrow-move10 2s infinite ease-in-out;
	animation: arrow-move10 2s infinite ease-in-out;
	border-width: 0 2px 2px 0;
	border-style: solid;
	border-color: transparent #d81b60 #d81b60 transparent;
}
@-webkit-keyframes arrow-move10 {
	0% {
		opacity: 0.3;
	}
	5% {
		opacity: 1;
	}
	100% {
		transform: translate(-8px, -8px);
		opacity: 0;
	}
}
@keyframes arrow-move10 {
	0% {
		opacity: 0.3;
	}
	5% {
		opacity: 1;
	}
	100% {
		transform: translate(-8px, -8px);
		opacity: 0;
	}
}