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HTML 

              
                <div class="center">
		
		<svg class="centered translateno" viewBox="0 0 346 512" version="1.1" role="img">
			<title>Chicken Swing</title>
			<desc>A chicken swinging gently on a swing</desc>
			<g id="swinging">
				<path id="body" class="chicken" d="M 184.9 401.6 C 184.9 401.6 187 399.4 189.3 400.3 C 191.5 401.2 193.9 401.6 193.9 401.6 C 193.9 401.6 192.4 397.1 189.3 396.7 C 186.1 396.2 186.1 398.6 184.4 396.8 C 183.3 395.7 182.4 390.8 181.9 386.8 L 184.3 385.7 L 185.8 382.1 C 228.6 386.3 214.4 334.6 214.4 334.6 L 205.8 330.6 C 203.3 335.8 200.9 341.7 200.5 342.7 C 200 343.9 164.3 357.8 157.9 346.9 C 152.5 337.6 144.8 334.6 144.8 334.6 C 144.8 334.6 141.1 351.2 148.6 365.7 C 156 380.3 172.8 380.8 172.8 380.8 L 176.6 389.4 L 178.1 388.6 L 180.3 397.8 L 175.9 398 L 174.1 401.6 L 178.9 400.7 L 184.9 401.6 Z"/>
				<path id="head" class="chicken" d="M 214.4 335.6 C 214.4 335.6 219.2 337.5 219.1 333 L 224.2 331.2 L 218.2 328.7 L 218.1 328.8 C 216.8 325.2 215.3 323.8 213.6 323.3 C 213.9 322.8 214.1 322.3 214.2 321.6 C 214.9 317.7 213.2 316.4 211.6 317 C 210.1 317.5 210.3 321.1 209.1 319.1 C 207.9 317 208.5 315.7 206.7 316 C 204.7 316.3 204.8 320.4 204.8 320.4 C 204.8 320.4 204.8 316.8 201.4 317.4 C 198 317.9 204.4 321.6 202 321.2 C 199.6 320.8 198.5 323.3 199.8 324.3 L 203.7 326 C 201.3 331.1 205.8 334.1 207.4 335.1 C 208.5 335.9 214.4 335.6 214.4 335.6 Z"/>
				<path id="swing" class="swing" d="M 173 383.6 L 173 384 L 182.5 402 L 162.5 402 L 172 384 L 172 383.9 C 172.2 383.8 172.5 383.7 172.7 383.7 L 173 383.6 ZM 187.4 402 L 175.8 381.9 C 176.7 381 177.2 379.9 176.9 379 C 176.7 378.1 176 377.5 175 377.2 L 175 8 L 170 8 L 170 377.8 C 168 378.8 166.7 380.5 167.1 382 C 167.2 382.6 167.6 383.1 168.3 383.5 L 157.6 402 L 148 402 L 148 409 L 197 409 L 197 402 L 187.4 402 Z"/>
			</g>
			<g id="shadow">
				<path id="shadow" d="M 145 497.5 C 145 495 157.8 493 173.5 493 C 189.2 493 202 495 202 497.5 C 202 500 189.2 502 173.5 502 C 157.8 502 145 500 145 497.5 Z" />
			</g>
			<g id="frame">
				<path d="M 173 2 C 159.2 2 148.3 8.7 142.2 20.1 L 142 20 L 141.7 21.1 C 139.8 24.9 137.6 29 137.2 33.3 L 0.1 512 L 9 512 L 141.5 48 L 205 48 L 337.1 512 L 346 512 L 208.8 32.8 C 208.3 28.8 206.2 25.1 204.6 21.6 L 204.1 20 L 203.8 20.1 C 197.7 8.7 186.8 2 173 2 ZM 173 10.2 C 183.8 10.2 192.1 15.3 196.7 24.2 L 200.7 34.8 C 200.8 35.5 200.8 37 200.8 37 L 145.2 37 C 145.2 37 145.2 35.8 145.2 35.2 L 149.5 23.8 C 154.2 15.1 162.4 10.2 173 10.2 Z" class="swing"/>
			</g>
			<text id="loading" x="67" y="465" width="220"><tspan><![CDATA[Loading…]]></tspan></text>
		</svg>
		
	</div>
!

CSS 

              
                /* @import url(https://fonts.googleapis.com/css?family=Lemon&text=Loading…&display=swap); Font used is Lemon(https://www.google.com/fonts/specimen/Lemon) by Eduardo Tunni. */
@import url(https://fonts.bunny.net/css?family=lemon:400);

*, *:before {box-sizing: border-box}

@supports (-ms-accelerator:true) {
  body:before {
  position: fixed;
  left: 0;
  right: 0;
  display: block;
  color: #985538;
  background: #fff;
  content: "Sorry, SVG animated transform not currently supported in IE/Edge";
  font: normal 120%/1.5 sans-serif;
  }
}

html, body {
	font: normal 100%/1.5 cursive, serif;
	height: 100%;
	margin: 0;
	text-align: center;
	background: #DFBD99;
}

/* via https://css-tricks.com/centering-in-the-unknown/ */
.center {
	height: 100%;
}

.center:before {
  content: '';
  display: inline-block;
  height: 100%; 
  vertical-align: middle;
 }
 
.centered {
  display: inline-block;
  vertical-align: middle;
  width: 33%;
  min-width: 300px
 }

/*SVG Styling*/ 
.chicken {
	fill: #985538
}	
.swing {
	fill: #f5f5f5
}

#swinging {
	transform-origin: top center;
	animation: swingme 2s ease-in-out 0s infinite;
}
	
@keyframes swingme {
	0%, 100% {
		transform: rotate(10deg);
	}	
	50% {
		transform: rotate(-10deg);
	}	
}

#shadow {
	fill: #333;
	fill-opacity: .1;
	animation: shadow 2s ease-in-out 0s infinite;
}

@keyframes shadow {
	0%, 100% {
		transform: translateX(-2em);
	}
	50% {
		transform: translateX(2em);
	}
}

#loading {
	font-family: 'Lemon', Chalk board, cursive, serif;
	font-size: 40px;
  font-weight: bold;
	font-style: italic;
	fill: #985538;
	color: #985538;
}
!

JS 

              
                if(typeof document.hidden !== "undefined") {// visibility API supported!
	
	function chickenRun(){	
	
	var domSwing = document.getElementById('swinging'), 
	domShadow = document.getElementById('shadow');
	
		if (document.hidden) {
			domSwing.style.animationPlayState = "paused";
			domShadow.style.animationPlayState = "paused";
		} else {
			domSwing.style.animationPlayState = "running";
			domShadow.style.animationPlayState = "running";
		}
	}
	
	document.addEventListener('visibilitychange', chickenRun, false);
	
}
!
999px

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