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HTML

              
                <main>
	<article id="container1">
		<div id="clouds">
			<div class="d1 background cloud1"></div>
			<div class="d1 background cloud2"></div>
			<div class="d1 background cloud3"></div>
			<div class="d4 background cloud1"></div>
			<div class="d1 background cloud2"></div>
			<div class="d1 background cloud3"></div>
			<div class="d2 midground cloud2"></div>
			<div class="d4 foreground cloud1"></div>
			<div class="d2 midground cloud2"></div>
			<div class="d4 midground cloud3"></div>
			<div class="d2 midground cloud3"></div>
			<div class="d2 foreground cloud1"></div>
			<div class="d3 foreground cloud1"></div>
			<div class="d4 foreground cloud1"></div>
			<div class="d3 foreground cloud1"></div>
			<div class="d3 foreground cloud3"></div>
			<div class="d3 midground cloud3"></div>
			<div class="d3 foreground cloud2"></div>
			<div class="d3 foreground cloud2"></div>
			<div class="d4 midground cloud3"></div>
		</div>
	</article>

	<article id="container2">
		<div id="trainWindow">

			<svg id="sky" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 1024 576">
				<defs>
					<style>
					.sky {
					fill: url(#sky-gradient);
					}
					</style>
					<linearGradient id="sky-gradient" x1="512" y1="576" x2="512" gradientUnits="userSpaceOnUse">
						<stop offset="0" stop-color="#00bdff"/>
						<stop offset="1" stop-color="#5fd6ff"/>
					</linearGradient>
				</defs>
				<rect class="sky" width="1024" height="576"/>
			</svg>


			<svg id="cloud1" class="clouds" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 101.6 61.5">
				<path d="M101.6,19.7a9.2,9.2,0,0,0-15.9-6.2,10.9,10.9,0,0,0-19.3-1.4,11.9,11.9,0,0,0-8.8-3.9H55.8a20.2,20.2,0,0,0-36.5,8.9H17.6A17.6,17.6,0,1,0,27,49.6,14.6,14.6,0,0,0,55.9,45,14,14,0,0,0,74,38.9,14.9,14.9,0,0,0,99.5,25.6,9.1,9.1,0,0,0,101.6,19.7Z"/>
			</svg>


			<svg id="cloud2" class="clouds" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 92.3 46.3">
				<path d="M77,11.7a15.2,15.2,0,0,0-8.4,2.5A12,12,0,0,0,50.3,9.1,15.8,15.8,0,0,0,21,11a13.3,13.3,0,1,0-.7,22.2A8.2,8.2,0,0,0,27.1,40a12.2,12.2,0,0,0,20.1,1.9,11.6,11.6,0,0,0,10.2-2.3,13.3,13.3,0,0,0,11.7.4A15.3,15.3,0,1,0,77,11.7Z"/>
			</svg>


			<svg id="cloud3" class="clouds" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 113.8 51.6">
				<path d="M113.8,13.3A6.4,6.4,0,0,0,103,8.7a12,12,0,0,0-10.6-1,8,8,0,0,0-10.5.5A14.7,14.7,0,0,0,56,7.2a11.2,11.2,0,0,0-11.2.7,13.7,13.7,0,0,0-22.5-.7,11.7,11.7,0,0,0-9-1.3,6.7,6.7,0,1,0-8.1,7.4A11.7,11.7,0,0,0,6.7,23.9a19.1,19.1,0,1,0,35,15A10,10,0,0,0,55,33a11.8,11.8,0,0,0,19.1-2.3,6.7,6.7,0,0,0,11.7-2.5,6.6,6.6,0,0,0,3.4.9h1.1a12,12,0,0,0,18.4-9.4A6.4,6.4,0,0,0,113.8,13.3Z"/>
			</svg>



			<svg id="grass" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 1024 148.3">
				<defs>
					<style>
						.grass {
							fill: url(#grass-gradient);
						}
					</style>
					<linearGradient id="grass-gradient" x1="512" x2="512" y2="148.26" gradientUnits="userSpaceOnUse">
						<stop offset="0.26" stop-color="#009400"/>
						<stop offset="1" stop-color="#493600"/>
					</linearGradient>
				</defs>
				<rect class="grass" width="1024" height="148.26"/>
			</svg>



			<svg id="hill1" class="hills" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 372.2 205">
			  <defs>
				<style>
				  .hill {
					fill: url(#hill-gradient);
				  }
				</style>
				<linearGradient id="hill-gradient" x1="186.12" y1="205.01" x2="186.12" gradientUnits="userSpaceOnUse">
				  <stop offset="0" stop-color="#009400"/>
				  <stop offset="0.64" stop-color="#49b600"/>
				</linearGradient>
			  </defs>
				  <path class="hill" d="M372.2,205H0C0,91.8,83.3,0,186.1,0S372.2,91.8,372.2,205Z"/>
			</svg>



			<svg id="hill2" class="hills" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 280.1 205">
				<path class="hill" d="M280.1,205H0C0,91.8,62.7,0,140,0S280.1,91.8,280.1,205Z"/>
			</svg>



			<svg id="hill3" class="hills" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 229.2 178.1">
				<path class="hill" d="M229.2,178.1H0C0,79.8,51.3,0,114.6,0S229.2,79.8,229.2,178.1Z"/>
			</svg>


			<svg id="hill4" class="hills" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 328.1 249.2">
				<path class="hill" d="M328.1,249.2H0C0,111.6,73.4,0,164,0S328.1,111.6,328.1,249.2Z"/>
			</svg>


			<svg id="hill5" class="hills" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 323.1 154.7">
				<path class="hill" d="M323.1,154.7H0C0,69.3,72.3,0,161.5,0S323.1,69.3,323.1,154.7Z"/>
			</svg>


			<svg id="hill6" class="hills" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 372.2 205">
				<path class="hill" d="M372.2,205H0C0,91.8,83.3,0,186.1,0S372.2,91.8,372.2,205Z"/>
			</svg>




			<svg id="powerline" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 57.6 511.5">
			  <defs>
				<style>
				  .powerline {
					fill: url(#powerline-gradient);
				  }
				</style>
				<linearGradient id="powerline-gradient" y1="255.73" x2="57.6" y2="255.73" gradientUnits="userSpaceOnUse">
				  <stop offset="0" stop-color="#493600"/>
				  <stop offset="0.28" stop-color="#523e00"/>
				  <stop offset="0.64" stop-color="#493600"/>
				  <stop offset="1" stop-color="#3f2900"/>
				</linearGradient>
			  </defs>
			  <title>powerline</title>
				  <path class="powerline" d="M0,511.5V28.8A28.9,28.9,0,0,1,28.8,0h0A28.9,28.9,0,0,1,57.6,28.8V511.5Z"/>
			  </g>
			</svg>


			<svg id="Train" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 1024 576">
				<defs>
					<style>
						.cls-1 {
							fill: url(#linear-gradient);
						}

						.cls-2 {
							fill: #fff;
							opacity: 0.2;
						}

						.cls-3 {
							fill: url(#linear-gradient-2);
						}

						.cls-4 {
							fill: url(#linear-gradient-3);
						}

						.cls-5 {
							fill: #b2b17b;
							opacity: 0.3;
						}

						.cls-6 {
							fill: #adaa79;
						}

						.cls-7 {
							fill: #d8d893;
						}

						.cls-8 {
							fill: #efe8ab;
						}
					</style>

					<linearGradient id="linear-gradient" x1="512" y1="576.96" x2="512" gradientUnits="userSpaceOnUse">
						<stop offset="0" stop-color="#dbd9a7"/>
						<stop offset="0.34" stop-color="#edecc8"/>
						<stop offset="1" stop-color="#ffffdc"/>
					</linearGradient>
					<linearGradient id="linear-gradient-2" x1="362.18" y1="531.34" x2="362.18" y2="43.96" gradientUnits="userSpaceOnUse">
						<stop offset="0" stop-color="#fff" stop-opacity="0"/>
						<stop offset="0.5" stop-color="#fff" stop-opacity="0.3"/>
						<stop offset="1" stop-color="#fff" stop-opacity="0"/>
					</linearGradient>
					<linearGradient id="linear-gradient-3" x1="611.97" y1="531.34" x2="611.97" y2="43.96" xlink:href="#linear-gradient-2"/>
				</defs>

				<path id="wall" class="cls-1" d="M0,0V576l1024,1V1ZM889.5,509a23.1,23.1,0,0,1-23,23l-709-1a23.1,23.1,0,0,1-23-23V68a23.1,23.1,0,0,1,23-23l709,1a23.1,23.1,0,0,1,23,23Z"/>
				<path id="glass" class="cls-2" d="M877.5,533l-731-1a12,12,0,0,1-12-12V57.9a12,12,0,0,1,12-12l731,1a12,12,0,0,1,12,12V521A12,12,0,0,1,877.5,533Z"/>
				<g id="glass_shine" data-name="glass shine">
					<polygon class="cls-3" points="557.4 531.3 437 531.3 167 44 287.4 44 557.4 531.3"/>
					<polygon class="cls-4" points="807.1 531.3 686.8 531.3 416.8 44 537.1 44 807.1 531.3"/>
				</g>

				<polygon id="shadow" class="cls-5" points="916 577 160.9 576 134.9 513.2 890 514.2 916 577"/>

				<g id="Window">
					<path id="Window_shadow" data-name="Window shadow" class="cls-6" d="M868.5,44.9l-712-1a23.1,23.1,0,0,0-23,23V512a23.1,23.1,0,0,0,23,23l712,1a23.1,23.1,0,0,0,23-23V68A23.1,23.1,0,0,0,868.5,44.9Zm2.8,446.2a23.1,23.1,0,0,1-23,23l-672.5-1a23.1,23.1,0,0,1-23-23V85.8a23.1,23.1,0,0,1,23-23l672.5,1a23.1,23.1,0,0,1,23,23Z"/>
					<path id="Window_border" data-name="Window border" class="cls-7" d="M866.5,45.9l-709-1a23.1,23.1,0,0,0-23,23V508a23.1,23.1,0,0,0,23,23l709,1a23.1,23.1,0,0,0,23-23V69A23.1,23.1,0,0,0,866.5,45.9Zm4.8,445.2a23.1,23.1,0,0,1-23,23l-672.5-1a23.1,23.1,0,0,1-23-23V85.8a23.1,23.1,0,0,1,23-23l672.5,1a23.1,23.1,0,0,1,23,23Z"/>
					<path id="Window_highlight" data-name="Window highlight" class="cls-8" d="M851.5,59.9l-679-1a23.1,23.1,0,0,0-23,23V494a23.1,23.1,0,0,0,23,23l679,1a23.1,23.1,0,0,0,23-23V83A23.1,23.1,0,0,0,851.5,59.9Zm19.8,431.2a23.1,23.1,0,0,1-23,23l-672.5-1a23.1,23.1,0,0,1-23-23V85.8a23.1,23.1,0,0,1,23-23l672.5,1a23.1,23.1,0,0,1,23,23Z"/>
				</g>
			</svg>


		</div>
	</article>
	
	<article id="container3">
		<div id="rain"></div>
	</article>
	
<article id="container4">
	<div id="conveyor">
		<svg id="conveyorBox" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 158 142.1">
			<defs>
				<style>
				.box-1 {
					fill: #bf0000;
				}

				.box-2 {
					fill: #c00;
				}

				.box-3 {
					fill: #fff200;
					opacity: 0.8;
				}

				.box-4 {
					opacity: 0.2;
				}
				</style>
			</defs>
			<rect id="body" class="box-1" x="10" y="4.1" width="138" height="137.99" rx="4.8" ry="4.8"/>
			<rect id="lid" class="box-2" width="158" height="37.99" rx="4.6" ry="4.6"/>
			<rect id="ribbon" class="box-3" x="67" width="24" height="142"/>
			<rect id="shadow" class="box-4" x="10" y="38" width="138" height="17.5"/>
		</svg>

		<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 1024 576">
			<defs>
				<style>
				.conveyor-1 {
				opacity: 0.1;
				}

				.conveyor-2, .conveyor-5 {
				stroke: #000;
				}

				.conveyor-2, .conveyor-4, .conveyor-5 {
				stroke-miterlimit: 10;
				stroke-width: 3px;
				}

				.conveyor-2 {
				fill: url(#conveyor-gradient);
				}

				.conveyor-3 {
				fill: #595959;
				}

				.conveyor-4 {
				fill: #727272;
				stroke: #333;
				}

				.conveyor-5 {
				fill: url(#conveyor-radial-gradient);
				}
				</style>
				<linearGradient id="conveyor-gradient" x1="97" y1="43.5" x2="97" y2="1.5" gradientUnits="userSpaceOnUse">
					<stop offset="0.15" stop-color="#a6a6a6"/>
					<stop offset="0.5" stop-color="#a6a6a6"/>
					<stop offset="0.5" stop-color="#b3b3b3"/>
					<stop offset="0.75" stop-color="#b3b3b3"/>
					<stop offset="0.75" stop-color="#d9d9d9"/>
				</linearGradient>
				<radialGradient id="conveyor-radial-gradient" cx="930.59" cy="473.5" r="12.07" gradientUnits="userSpaceOnUse">
					<stop offset="0.25" stop-color="lime"/>
					<stop offset="0.28" stop-color="#00be00"/>
					<stop offset="1" stop-color="#006400"/>
				</radialGradient>
				<symbol id="beltSection" data-name="beltSection" viewBox="0 0 194 62">
				<rect id="shadow" class="conveyor-1" x="1" y="43" width="191" height="19"/>
				<rect id="belt_section" data-name="belt section" class="conveyor-2" x="1.5" y="1.5" width="191" height="42"/>
				</symbol>
			</defs>
			<g id="conveyorBelt">
				<rect id="Belt_Base" data-name="Belt Base" class="conveyor-3" y="482" width="1024" height="94"/>
				<rect class="conveyor-4" x="120.5" y="494.5" width="34" height="82"/>
				<g id="Belt">
					<use id="beltSection-3" data-name="beltSection" width="194" height="62" transform="translate(-51 451)" xlink:href="#beltSection"/>
					<use width="194" height="62" transform="translate(140 451)" xlink:href="#beltSection"/>
					<use width="194" height="62" transform="translate(331 451)" xlink:href="#beltSection"/>
					<use width="194" height="62" transform="translate(522 451)" xlink:href="#beltSection"/>
					<use width="194" height="62" transform="translate(713.2 451)" xlink:href="#beltSection"/>
					<use width="194" height="62" transform="translate(904 451)" xlink:href="#beltSection"/>
				</g>
				<rect class="conveyor-4" x="869.5" y="494.5" width="34" height="82"/>
				<rect class="conveyor-4" x="494.5" y="494.5" width="34" height="82"/>
				<circle class="conveyor-5" cx="930.6" cy="473.5" r="12.1"/>
			</g>
		</svg>
	</div>
</article>
</main>
              
            
!

CSS

              
                body {
	display: flex;
	justify-content: center;
	margin: 0;
	padding: 0;
}

main {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	align-items: center;
	width: 100vw;
	position: relative;

	
	& > article {
		width: 100%;
		border: 2px solid black;
		box-sizing: border-box;
		
		/* Mandatory */
		position: relative;
		overflow: hidden;
		
		/* 16:9 aspect ratio */
		& > div {
			width: 100%;
			padding-top: 56.25%;
		}

		visibility: hidden;
	}
	
	@media (min-width:640px) {
		& > article {
			width: 50%;
			margin-bottom: 0;
		}
	}
}




#container1 {	
	/* Cosmetic */
	background: hsl(187, 20%, 85%);
	background: linear-gradient(hsl(187, 20%, 85%), hsl(187, 20%, 70%));
	
	#clouds {
		position: relative;
		
		& > * {
			position: absolute;
			left: 0;
			top: 0;
			
			width: 30%;
			height: 20%;

			background-size: contain;
			background-repeat: no-repeat;
		}
		
			.cloud1 {
		background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/259155/cloud1.png');
	}
			.cloud2 {
		background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/259155/cloud2.png');
	}
			.cloud3 {
		background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/259155/cloud3.png');
	}


		.d1 {
			top: 20%;
		}

		.d2 {
			top: 33%;
		}

		.d3 {
			top: 42%;
		}
		
		.d4 {
			top: 50%;
		}
	}
	
	
}




#container2 {

	svg {
		height: 100%;
		position: absolute;
		width: 100%;
		bottom: 0;
		left: 0;
	}
	
	
	.clouds {
		fill: #fff;
		top: 20%;
	}

	
	
	#cloud1 {
		width: 9.92%;
		height: 10.68%;
	}
	
	#cloud2 {
		width: 9%;
		height: 8%;
	}
	
	#cloud3 {
		width: 11.11%;
		height: 8.96%;
	}

	#grass {
		height: 25.74%;
	}
	
	.hills {
		bottom: 25%;
	}
	
	#hill1 {
		width: 36.35%;
		height: 35.59%;
	}
	
	#hill2 {
		width: 27.35%;
		height: 35.6%;
	}
	
	#hill3 {
		width: 22.38%;
		height: 30.92%;
	}
	
	#hill4 {
		width: 32.04%;
		height: 43.26%;
	}
	
	#hill5 {
		width: 31.55%;
		height: 26.86%;
	}
	
	#hill6 {
		width: 36.35%;
		height: 35.59%;
	}

	#powerline {
		width: 5.625%;
		height: 87%;
	}
	
}




#container3 {
	
	background: hsl(234, 100%, 5);
	
	#rain {
		transform: rotate(30deg) scale(1.2, 2);
	}
	
	.drop {
		border-radius: 100%;
		background: #084584;
		background: #fff;
		width: 1%;
		padding-top: 2%;
		position: absolute;
		left: 0;
		top: 0;
	}
}




#container4 {
	
	svg {
		position: absolute;
		left: 0;
		top: 0;
		width: 100%;
		height: 100%;
	}
	
	#conveyorBox {
		width: 15.43%;
		height: 24.66%;
		bottom: 20%;
		top: auto;
	}
}
              
            
!

JS

              
                console.clear();
/* *************************************** */
/* ************************************** */
var floaters = function(elements, container) {
		
	// If no container given, use window size?
	var stage = getSize(container);

	//
	var plates = {};
	var depth = Math.abs(elements.depth) || 2;
	var dur = stage.width / 4 / (Math.abs(elements.speed) || 1);
	
		
	// Get all elements in the background
	if(elements.bg) {
		plates.bg = createTweens(elements.bg.target, 1/depth, elements.bg.ordered);
	}
	
	if(elements.mg) {
		plates.mg = createTweens(elements.mg.target, 1, elements.mg.ordered);
	}
	
	if(elements.fg) {
		plates.fg = createTweens(elements.fg.target, depth, elements.fg.ordered);
	}
	
		
	window.addEventListener('resize', _throttle(resize, 50));

	
	
	
	/* ******************* */
	/* Main Tweening setup */
	/* ******************* */
	function createTweens(targets, depth, ordered) {
		var array = selectAllElements(targets);
		var ttl = array.length;
		var result = [];		
		
		for(var i = 0; i < ttl; i++) {
			if(ordered) {
				// Spread the elements along the length of the tween
				result.push(createTween(array[i], depth, (i+1) * (1 / ttl)));
			} else {
				result.push(createTween(array[i], depth));				
			}
		}
		
		return result;
	}
	
	
	function createTween(el, depth, progress) {
		var t;
				
		if(elements.vertical) {
			
			t = TweenMax.fromTo(el, dur,
				{
					y: -getSize(el).height,
					rotation: 0
				},
				{ 
					y: stage.height,
					rotation: 0.1, // To force 3D transforms
					ease: Linear.easeNone,
					onComplete:function() {
						t.restart();
					},
					onReverseComplete:function() {
						t.seek(t.totalDuration(), true);
					}
				}
			);
			
		} else {
			
			t = TweenMax.fromTo(el, dur,
				{
					x: -getSize(el).width,
					rotation: 0
				},
				{ 
					x: stage.width,
					rotation: 0.1, // To force 3D transforms
					ease: Linear.easeNone,
					onComplete:function() {
						t.restart();
					},
					onReverseComplete:function() {
						t.seek(t.totalDuration(), true);
					}
				}
			);
		}

		if(progress) {
			// Only supress events if playing the animation backwards
			t.progress(progress, elements.reversed);
		} else {
			t.progress(Math.random());				
		}
						
		// Adjust the speed according to the distance
		if(elements.depth) {
			t.timeScale(depth);			
		}
		
		// Play backwards if reversed
		if(elements.reversed) {
			t.reverse()
		}
		
		// t.pause();
								
		return t;
	}
	
	
	function updateTweens(plate, depth) {
		var temp = [];

		for(var i = 0; i < plate.length; i++) {
			var tween = plate[i];
			// Record the tween's progress
			var progress = tween.progress();
			// Reset and recreate the tween
			tween.pause(0);

			temp.push(createTween(tween.target, depth, progress));			
		}

		return temp;
	}

		


	/* **************** */
	/* Helper functions */
	/* **************** */
	function getSize(target) {		
		var trg = (
			document.getElementById(target.id)
			||
			document.getElementsByClassName(target.className)[0]
			||
			document.getElementsByTagName(target)[0]
			||
			document.querySelector(target)).getBoundingClientRect();

		return {
		  width: Math.round(trg.width),
		  height: Math.round(trg.height)
		};
	}
	
	
	function addArrays(array1, array2) {
		array1 = array2.reduce( function(collection, item) {
			collection.push(item);
			return collection;
		}, array1);
		
		return array1;
	}
	
	
	function resize() {
		// Update the stage's width
		stage =  getSize(container);
		
		if(elements.bg) {
			plates.bg = updateTweens(plates.bg, 1/depth)
		}
		if(elements.mg) {
			plates.mg = updateTweens(plates.mg, 1)
		}
		if(elements.fg) {
			plates.fg = updateTweens(plates.fg, depth)
		}
	}
		
	
	/* By the mighty grace of OSUBlake */
	/* http://codepen.io/osublake/ */
	function selectAllElements(selector, context) {
		var nodeList = (context || document).querySelectorAll(selector);
		var i = nodeList.length;
		var elements = new Array(i);
		while (i--) { elements[i] = nodeList[i]; }
		return elements;
	}
	
	
	/* 'Borrowed' from underscore */
	function _now() {
		return Date.now() || function() {
			return new Date().getTime();
		}
	}
	/* 'Borrowed' from underscore */
	function _throttle(func, wait, options) {
		var context, args, result;
		var timeout = null;
		var previous = 0;
		if (!options) options = {};
		var later = function() {
			previous = options.leading === false ? 0 : _now();
			timeout = null;
			result = func.apply(context, args);
			if (!timeout) context = args = null;
		};
		return function() {
			var now = _now();
			if (!previous && options.leading === false) previous = now;
				var remaining = wait - (now - previous);
				context = this;
				args = arguments;
				if (remaining <= 0 || remaining > wait) {
					if (timeout) {
					clearTimeout(timeout);
					timeout = null;
				}
					previous = now;
					result = func.apply(context, args);
					if (!timeout) context = args = null;
				} else if (!timeout && options.trailing !== false) {
					timeout = setTimeout(later, remaining);
			}
			return result;
		};
	};
	

	return plates;
};
/* *************************************** */
/* ************************************** */

// Wait for the DOM elements
window.onload = function() {
	
	// All object keys are optional
	var clouds = floaters({
			bg: {
				target:'.background', // {CSS selector} no default
				ordered: true // {Boolean} defaults to false
			},
			mg:{
				target:'.midground', // {CSS selector} no default
				ordered: true // {Boolean} defaults to false
			},
			fg:{
				target:'.foreground', // {CSS selector} no default
				ordered: true // {Boolean} defaults to false
			   },
			depth: 1.5, // {Number}, defaults to 2
			speed: 0.5, // {Number}, defaults to 1
			// reversed: true, // {Boolean} defaults to false
			// vertical: true // {Boolean} defaults to false
		}, '#container1');


	
	var trainView = floaters({
		bg:{
			target:'.clouds',
		},
		mg:{
			target:'.hills',
			ordered: true
		},
		fg:{
			target:'#powerline'
		},
		depth: 20,
		speed: 15
	}, '#container2');


	
	// Make a bunch of raindrops because I am lazy
	var dropsHolder = document.getElementById('rain');
	for(var i = 0; i < 50; i++) {
		var div = document.createElement('div');
		div.className = 'drop';
		// Space it somewhere along its parent
		TweenMax.set(div, {
			left: function() {
				return Math.random() * 100 + '%';
			}
		});
		// Give it some varied speed
		if(i % 2 === 0) {
		   div.className += ' mediumRain';
	    } else if(i % 3 === 0) {
		   div.className += ' slowRain';
		} else {
		   div.className += ' fastRain';
		}
		
		dropsHolder.appendChild(div);
	}

	var rain = floaters({
		bg:{
			target:'.slowRain'
		},
		mg:{
			target:'.mediumRain'
		},
		fg:{
			target:'.fastRain'
		},
		speed: 200,
		depth: 1.2,
		vertical: true
	}, '#container3');
	
	
	var conveyor = floaters({
		mg: {
			target:'#conveyorBox'
		},
		reversed: true,
		speed: 30
	}, '#container4');
	
	// Once everything is ready, fade the assets in
	TweenMax.to('article', 0.15, {autoAlpha:1, ease:Power4.easeIn});
}
              
            
!
999px

Console