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HTML 

              
                <div class="frame">
	<div class="center">
		<div class="circle">
			<div class="sky"></div>
			<div class="skyGradient"></div>
			<div class="star star1"></div>
			<div class="star star2"></div>
			<div class="star star3"></div>
			<div class="star star4"></div>
			<div class="star star5"></div>
			<div class="sun"></div>
			<div class="pyramid"></div>
			<div class="pyramidShade"></div>
			<div class="land"></div>
			<div class="shadow"></div>
			<div class="landDepth"></div>
		</div>
	</div>
</div>
!

CSS 

              
                .frame {
	position: absolute;
	top: 50%;
	left: 50%;
	clip-path: polygon(
		30% 0%,
		70% 0%,
		100% 30%,
		100% 70%,
		70% 100%,
		30% 100%,
		0% 70%,
		0% 30%
	);
	background: black;
	width: 400px;
	height: 400px;
	margin-top: -200px;
	margin-left: -200px;
	border-radius: 2px;
	box-shadow: 4px 8px 16px 0 rgba(0, 0, 0, 0.7);
	overflow: hidden;
	background: #fff;
	color: #333;
	font-family: "Open Sans", Helvetica, sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;

	background: linear-gradient(120deg, #d4fc79 0%, #96e6a1 100%);
}

.center {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.circle {
	position: relative;
	width: 337px;
	height: 337px;
	border-radius: 50%;
	overflow: hidden;
}

.sky {
	position: absolute;
	width: 100%;
	height: 70%;
	background: #6700f9;
	animation: skyKeyframes 8s 1s linear infinite;
}

.skyGradient {
	position: absolute;
	widht: 100%;
	bottom: 30%;
	animation: skyGradientKeyframes 8s 1s linear infinite;
	mask-image: linear-gradient(to top, #ffff, transparent 100%);
}

.star {
	position: absolute;
	width: 1px;
	height: 1px;
	border-radius: 50%;
	background: white;
	box-shadow: 0 0 4px #666;
	mix-blend-mode: lighten;
}

.star1 {
	left: 27%;
	top: 21%;
	animation: starKeyframes 0.2s ease-in-out infinite;
}
.star2 {
	left: 76%;
	top: 15%;
	animation: starKeyframes 0.3s 0.7s ease-in-out infinite;
}
.star3 {
	left: 44%;
	top: 23%;
	animation: starKeyframes 0.23s 0.5s ease-in-out infinite;
}
.star4 {
	left: 82%;
	top: 40%;
	animation: starKeyframes 0.18s 0.3s ease-in-out infinite;
}
.star5 {
	left: 22%;
	top: 32%;
	animation: starKeyframes 0.38s 0.2s ease-in-out infinite;
}

.sun {
	position: absolute;
	top: 50%;
	left: 15%;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	transform-origin: 120px 40px;
	animation: sunKeyframes 8s 1s linear infinite;
}

.pyramid {
	position: absolute;
	left: 25%;
	bottom: 30%;
	clip-path: polygon(51% 33%, 0% 100%, 100% 100%);
	border: solid 80px transparent;
	border-bottom-color: #050301;
	animation: pyramidKeyframes 8s 1s linear infinite;
}

.pyramidShade {
	position: absolute;
	left: 25%;
	bottom: 30%;
	border: solid 80px transparent;
	border-bottom-color: #211706;
	transform-origin: right bottom;
	transform: scaleX(0.364) skewX(60deg);
	animation: pyramidSideKeyframes 8s 1s linear infinite;
}

.land {
	position: absolute;
	width: 100%;
	top: 70%;
	bottom: 0;
	animation: landKeyframes 8s 1s linear infinite;
	background: black;
}

.shadow {
	position: absolute;
	left: 25%;
	top: 70%;
	border: solid 80px transparent;
	transform-origin: top left;
	animation: shadowKeyframes 8s 1s linear infinite;
	mix-blend-mode: multiply;
}

.landDepth {
	position: absolute;
	width: 100%;
	top: 70%;
	bottom: 0;
	background: linear-gradient(to bottom, #fff);
	opacity: 0.4;
}

@keyframes skyKeyframes {
	0% {
		background: #280060;
	}
	3% {
		background: #4b00b5;
	}
	6% {
		background: #6c7af5;
	}
	9% {
		background: #67cdff;
	}
	12% {
		background: #80b8f7;
	}
	20% {
		background: #6bf;
	}
	50% {
		background: #8cf;
	}
	80% {
		background: #5900d7;
	}
	90% {
		background: #4b00b5;
	}
	95% {
		background: #360082;
	}
	100% {
		background: #280060;
	}
}

@keyframes skyGradientKeyframes {
	0% {
		background: #f004;
		height: 3%;
		mix-blend-mode: add;
	}
	4% {
		background: #f008;
		height: 4%;
	}
	6% {
		background: #fc82;
		height: 8%;
	}
	14% {
		background: #fff0;
		height: 20%;
	}
	50% {
		mix-blend-mode: add;
	}
	51% {
		mix-blend-mode: multiply;
	}
	88% {
		background: #0000;
		height: 20%;
	}
	98% {
		background: #000c;
		height: 70%;
		mix-blend-mode: multiply;
	}
}

@keyframes sunKeyframes {
	0% {
		left: 28%;
		top: 70%;
		background: #f20;
		transform: rotate(-15deg) scale(1.5);
		box-shadow: 0 0 64px 8px #f20;
	}
	5% {
		backgorund: #f60;
		box-shadow: 0 0 48px 8px #f80;
	}
	10% {
		background: #ff2;
	}
	15% {
		background: #ffc;
		box-shadow: 0 0 24px #ff2;
	}
	25% {
		box-shadow: 0 0 24px #ffc;
	}
	50% {
		left: 10%;
		top: 5%;
		transform: rotate(105deg) scale(1);
		background: #fff;
		opacity: 1;
	}
	100% {
		left: 10%;
		top: 5%;
		transform: scale(1) rotate(105deg);
		background: #fff;
		box-shadow: 0 0 24px #ffc;
		opacity: 0;
	}
}

@keyframes pyramidKeyframes {
	0% {
		border-bottom-color: #001;
	}
	2% {
		border-bottom-color: #412;
	}
	4% {
		border-bottom-color: #853;
	}
	12% {
		border-bottom-color: #b4b29c;
	}
	18% {
		border-bottom-color: #d8d0b0;
	}
	32% {
		border-bottom-color: #d9d1b1;
	}
	40% {
		border-bottom-color: #e9e1c1;
	}
	87% {
		border-bottom-color: #a8a0a0;
	}
	90% {
		border-bottom-color: #a84;
	}
	93% {
		border-bottom-color: #b43;
	}
	96% {
		border-bottom-color: #224;
	}
}

@keyframes pyramidSideKeyframes {
	0% {
		border-bottom-color: #001;
	}
	2% {
		border-bottom-color: #312;
	}
	4% {
		border-bottom-color: #753;
	}
	14% {
		border-bottom-color: #a4a898;
	}
	32% {
		border-bottom-color: #b4b6a4;
	}
	40% {
		border-bottom-color: #f8f0e0;
	}
	87% {
		border-bottom-color: #f0e6d0;
	}
	90% {
		border-bottom-color: #eb4;
	}
	93% {
		border-bottom-color: #c54;
	}
	96% {
		border-bottom-color: #324;
	}
}

@keyframes landKeyframes {
	0% {
		background: #112;
	}
	3% {
		background: #512;
	}
	6% {
		background: #643;
	}
	10% {
		background: #986;
	}
	15% {
		background: #ddce99;
	}
	85% {
		background: #ddbe79;
	}
	88% {
		background: #da7;
	}
	92% {
		background: #b64;
	}
	94% {
		background: #324;
	}
}

@keyframes shadowKeyframes {
	0% {
		transform: skewX(88deg);
		border-top-color: #0366;
	}
	32% {
		border-top-color: #2466;
	}
	35% {
		border-top-color: #fff0;
		transform: skewX(75deg) scaleY(0);
		opacity: 0;
	}
}

@keyframes starKeyframes {
	50% {
		opacity: 0.5;
	}
}
!

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