Code Playground

@charset "UTF-8";
@import url(https://fonts.googleapis.com/css?family=Nunito+Sans:300,400,600,700,800);
*,
:after,
:before {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
	display: flex;
	align-items: flex-end;
	height: 100svh;
	overflow: hidden;
	background-image: linear-gradient(#001, #4ab 75%, #bf9 75%, #010);
}

span {
	display: flex;
	align-items: flex-end;
	flex: 1;
	gap: 10%;
	height: 12vh;
	margin-bottom: 1vh;

border-radius: 5px 5px 20px 20px;
	background-color: #210;

&:last-child:not(:only-child) {
		transform: skew(2deg) rotateZ(-3deg);
		animation: rise 2s both, stir 4s 3s infinite alternate;
	}
	&:first-child:not(:only-child) {
		transform: skew(-2deg) rotateZ(3deg);
		animation: rise 2s both, stir 6s 3s infinite alternate;
	}
}

:empty {
	background-color: #2405;
	box-shadow: 0 3vh 1vh 0.5vh #050;
	&::after {
		right: 0;
	}
	&::before,
	&::after {
		content: "";
		position: absolute;
		height: 1vmin;
		width: 1vmin;
		top: 0;
		border-radius: 50%;
		background-color: #e16;
		box-shadow: 0 1vh 1vh 0.5vh #dc2;
	}
}

@keyframes rise {
	to {
		margin-bottom: 10vh;
	}
}
@keyframes stir {
	100% {
		transform: translateY(2vmin);
	}
}

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