body{
	margin: 0;
	padding: 0;
	background: gray;
}

.loading{
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	height: 40px;
	display: flex;
	align-items: center;
}
.obj{
	width: 6px;
	height: 40px;
	background: white;
	margin: 0 3px;
	border-radius: 10px;
	animation: loading 1.0s infinite;
}

.obj:nth-child(2){
	animation-delay: 0.1s;
}
.obj:nth-child(3){
	animation-delay: 0.2s;
}
.obj:nth-child(4){
	animation-delay: 0.3s;
}
.obj:nth-child(5){
	animation-delay: 0.4s;
}
.obj:nth-child(6){
	animation-delay: 0.5s;
}
.obj:nth-child(7){
	animation-delay: 0.6s;
}
.obj:nth-child(8){
	animation-delay: 0.7s;
}
.obj:nth-child(9){
	animation-delay: 0.8s;
}
.obj:nth-child(10){
	animation-delay: 0.9s;
}

@keyframes loading{
	0%{
		height: 0;
	}
	50%{
		height: 40px;
    }
	100%{
		height: 0;
	}
}