/* Preloader */
@import url(https://fonts.googleapis.com/css?family=Roboto:300);
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 9999999;
  background:#333;
  display:flex;
  align-items:center;
}
.back {
	margin:1em auto;
    font-size: 5pt;
    font-family:"Roboto";
	}
	.back span {
		font-size:3em;
		color:#333;
		background:#fff;
		display:table-cell;
		box-shadow:inset 0 0 5px rgba(0,0,0,0.3), 0 5px 0 #ccc;
		padding: 0 15px;
		line-height: 100px;
		animation:jumb 2s infinite;
	}
	@keyframes jumb {
		0% {
			transform:translateY(0px)
		}
		50% {
			transform:translateY(-30px);
			box-shadow:0 15px 0 rgb(102, 102, 102);
		}
		100% {
			transform:translateY(0px)	
		}
	}
	.back span:nth-child(1) {
		animation-delay:0s;
	}
	.back span:nth-child(2) {
		animation-delay:.1s;	
	}
	.back span:nth-child(3) {
		animation-delay:.2s;
	}
	.back span:nth-child(4) {
		animation-delay:.3s;	
	}
	.back span:nth-child(5) {
		animation-delay:.4s;
	}
	.back span:nth-child(6) {
		animation-delay:.5s;	
	}
	.back span:nth-child(7) {
		animation-delay:.6s;
	}