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              <!-- Sections -->
<form class="slider-form js-slider-form">
	<!-- Age slider -->
	<fieldset class="section-age">

		<!-- value gets updated on drag end in js -->
		<input type="hidden" name="age" value="0" />

		<div class="age-slider">

			<!-- Container for the gsap draggable -->
			<div class="age-slider-pointer-wrapper">
				<div class="age-slider-pointer">0</div>
			</div>

			<!-- Numbers -->
			<ul class="age-slider-makers">
				<li>0</li>
				<li>1</li>
				<li>2</li>
				<li>3</li>
				<li>4</li>
				<li>5</li>
			</ul>
			
		</div>
	</fieldset>
</form>
            
          
!
            
              html, body{
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #97d8f9;
	font-family: 'open sans', sans-serif;
}

// Container
.slider-form{
	background: #fff;
	padding: 50px;
	border-radius: 100px;
	box-shadow: 0 2px 0 #B1B1B1, 0 3px 6px rgba(#000, 0.25);
}	

// Age slider
.section-age{
	position: relative;
	top: 10px;
	left: 15px;

	.age-slider{
		position: relative;
		width: 415px;
		margin: auto;
	}

	.age-slider-pointer-wrapper{
		position: relative;
		width: calc(100% - 65px);
		height: 24px;
		padding: 0 0 0 23px;
		background: #f2f2f2;
		border-radius: 12px;
		box-shadow: inset 0 3px 0 #dfdfdf;

		// Grid used for draggable (not visible)
		.pointer-grid{
			height: 100%;
			float: left;

			&:last-child{
				width: 23px !important;
			}
		}

		// Green bar
		&:before{
			content: '';
			position: absolute;
			top: 50%;
			left: 50%;
			transform: translate(-50%, -50%);
			width: calc(100% - 12px);
			height: 10px;
			background: #b2d366;
			box-shadow: 0 3px 0 #89b02e;
			margin-top: -1px;
			border-radius: 5px;
		}
	}

	.age-slider-pointer{
		position: absolute;
		top: 50%;
		width: 35px;
		height: 35px;
		margin-top: -4px;
		transform: translate3d(-50%, -50%, 0);
		font-size: 20px;
		font-weight: 500;
		line-height: 38px;
		text-align: center;
		color: #fff;
		border-radius: 50%;
		background-color: #0067A5;
		box-shadow: 0 2px 0 darken(#0067A5, 10%), 0 5px 0 #bababa;
	}

	.age-slider-makers{
		clear: both;
		padding: 0 0 0 23px;
		overflow: hidden;
		text-align: left;
		font-size: 15px;
		font-weight: 700;
		margin-top: 0.75em;

		li{
			float: left;
			width: percentage(1/6);
			color: #bababa;
			text-indent: -0.2em;

			&:last-child{
				text-indent: -0.4em;
			}
		}
	}
}
            
          
!
            
              // Helper to get closest value in array
function arrayClosest(arr, num) {
	var curr = arr[0];
	var diff = Math.abs (num - curr);
	for (var val = 0; val < arr.length; val++) {
			var newdiff = Math.abs (num - arr[val]);
			if (newdiff < diff) {
					diff = newdiff;
					curr = arr[val];
			}
	}
	return curr;
}

// Age slider
(function ageSlider(){

	var $container = $('.age-slider-pointer-wrapper'),
			$wrapper = $('.age-slider'),
			$pointer = $('.age-slider-pointer'),
			$markers = $('.age-slider-makers li'),
			$input = $('.section-age input[name="age"]'),
			gridColumns = $markers.length,
			leftNotches, pointerWidth, i, left;

	// Create slider
	var draggable = Draggable.create($pointer, {
		bounds: $wrapper,
		type: 'x',
		throwProps:true,
		minDuration: 0.25,
		maxDuration: 1.5,
		overshootTolerance: 0,
		onThrowComplete: function(){ // Update values at end of animation
			
			var ageValue = arrayClosest(leftNotches, Math.round(this.endX));
					ageValue = leftNotches.indexOf(ageValue);
					$input.val( ageValue );
					$pointer.text( ageValue );
		},
		onDrag: function(){ // Update slider value during drag

			var ageValue = arrayClosest(leftNotches, Math.round(this.x));
					ageValue = leftNotches.indexOf(ageValue);
					$pointer.text( ageValue );
		}
	});

	// Watch for click on wrapper
	$container.on('click.homepage', function(event){

		var offset = event.offsetX - pointerWidth,
				closest = arrayClosest(leftNotches, Math.round(offset)),
				ageValue = leftNotches.indexOf(closest),
				target = draggable[0].target;

		if( ! $(event.target).is('.age-slider-pointer') ){

			// Move marker
			TweenLite.to(target, 0.5, { x: closest, ease: Power3.easeOut });

				// Update values
				$input.val( ageValue );
				$pointer.text( ageValue );
			}
		});

	// Set dynamic values on init and resize
	function updateSlider(){

		var gridWidth = $markers.first().width(),
				slider = draggable[0];

		leftNotches = [];
		pointerWidth = $pointer.width();

		// Update grid
		for (i = 0; i < gridColumns; i++) {
			left = (i * gridWidth) % (gridColumns * gridWidth);
			leftNotch = left - (pointerWidth/2);
			if (i < gridColumns) {
					leftNotches.push(leftNotch);
			}
		}

		slider.applyBounds();
		slider.vars.snap = leftNotches;
	}
	updateSlider();

	// Resize
	$(window).on('throttledresize.homepage', function(){
		updateSlider();
	});
})();
            
          
!
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