impressivewebs/animations.css

## animations.css
@keyframes dropball {
}

## base.css
/* Add Your CSS */
.ball {
	left: 100px;
 	bottom: 100px;
	height: 200px;
  	width: 200px;
	background: white;
  	border-radius: 50%;
 	position: absolute;
	animation: dropball 2s infinite;
}

## index.html
<!-- Add Your HTML -->
<div class="ball"></div>
	/* Add Your CSS */
	.ball {
	left: 100px;
	bottom: 100px;
	height: 200px;
	width: 200px;
	background: white;
	border-radius: 50%;
	position: absolute;
	animation: dropball 2s infinite;
	}