Edit in JSFiddle

body {
	width: 100%;
	height: 100%;
	padding-bottom: 150px;
  font-family: 'Dancing Script', cursive;
  background-image: linear-gradient(45deg, #F7CAC9 15%, #91A8D0 85%);
}


.h1 {
  margin: 2em;
  color: rgba(white, .85);
}

.wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  + .wrap {
  	margin-top: 60px;
  }
}

.inner {
  display: block;
	transform-style: preserve-3d;
  perspective: 800px;
}

.item {
	width: 200px;
	height: 200px;
	color #fafafa;
	font-weight: bold;
	font-size: 30px;
	box-shadow: inset 0 0 0 10px rgba(black, .5), inset 0 0 0 25px rgba(black, .5), inset 0 0 0 50px rgba(black, .5);
	transform-origin: center center 0px;
	animation: spin infinite 8s cubic-bezier(0.445,0.050,0.550,0.950);
	//
	&.item2 {
		box-shadow: 0 0 0 10px rgba(black, .5), 0 0 0 25px rgba(black, .5), 0 0 0 50px rgba(black, .5);
	}
}

@keyframes spin {
	0%, 20% {
		transform: rotateY(0);
	}
	80%, 100% {
		transform: rotateY(360deg);
	}
}

	<h1 class="h1 font-weight-bold text-xs-center text-capitalize">mulch border</h1>

	<div class="wrap">
		<div class="inner">
			<div class="item"></div>
		</div>
		<div class="inner">
			<div class="item"></div>
		</div>
	</div>
	<div class="wrap">
		<div class="inner">
			<div class="item item2"></div>
		</div>
		<div class="inner">
			<div class="item item2"></div>
		</div>
	</div>