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HTML

            
              
<div class="container">
	<div class="row">
	<div class="col-xs-12 text-center loader-container">

<!-- 		Paset the SVG code here -->
		<?xml version="1.0" encoding="UTF-8"?>
<svg width="400px" height="400px" viewBox="0 0 400 400" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 49.3 (51167) - http://www.bohemiancoding.com/sketch -->
    <title>Artboard</title>
    <desc>Created with Sketch.</desc>
    <defs>
        <polygon id="path-1" points="119 176 153 176 181.165039 229 147.165039 229"></polygon>
    </defs>
    <g id="Artboard" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <polygon id="red" stroke="#D20217" stroke-width="5" points="142 140 261 204.00774 261 264.00774 142 200"></polygon>
        <polygon id="white" stroke="#FFFFFF" stroke-width="3" fill="#FFFFFF" points="141 202.599373 262 138.48 262 200.840627 141 264.96"></polygon>
        <g id="progress1" class="progressBlock">
            <use fill="#FFFFFF" fill-rule="evenodd" xlink:href="#path-1"></use>
            <path stroke="#FFFFFF" stroke-width="1" d="M119.831924,176.5 L147.465547,228.5 L180.333115,228.5 L152.699492,176.5 L119.831924,176.5 Z"></path>
        </g>
        <polygon id="progress2" class="progressBlock" fill="#FFFFFF" points="152 176 186 176 214.165039 229 180.165039 229"></polygon>
        <polygon id="progress3" class="progressBlock" fill="#FFFFFF" points="185 176 219 176 247.165039 229 213.165039 229"></polygon>
        <polygon id="progress4"  class="progressBlock" fill="#FFFFFF" points="218 176 252 176 280.165039 229 246.165039 229"></polygon>
        <path d="M142.5,200.5 L204.5,233.5" id="redoverlap" stroke="#D20217" stroke-width="5" stroke-linecap="square"></path>
    </g>
</svg>
		
	</div>
</div>

<div class="row text-center">
	<div class="col-xs-12">
		<button class="btn start" onclick="startLoading()">Simulate Loading</button>
	</div>
</div>

</div>
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CSS

            
              
/* Start animation CSS */
#progress1,
#progress2,
#progress3,
#progress4{
  opacity: 0;
}


#red {
	transform-origin: 50% 50%;
	transition: 0.25s ease;
}

#red.loading{
	transform: rotate(-27.5deg) translate(-2px,0);
}














/* Some housekeeping CSS */
body {
  background: #3D4346 !important;
}

.loader-container {
  margin: auto;
  overflow: hidden;
}

.btn {
	margin:20px;
	background-color:#3D4346;
	color:white;
	padding: 10px 15px;
	border-radius:0;
	border: 2px solid red;
	text-transform:uppercase;
	font-weight:lighter;
	letter-spacing: 2px;
	-webkit-transition: all 0.25s ease;
	-o-transition: all 0.25s ease;
	transition: all 0.25s ease;
}

.btn:hover {
	color:white;
	border-color: white;
}
/* End housekeeping CSS */
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JS

            
              function startLoading(){
	
	// hide button
	$('.btn.start').hide();

  // set loading class on elements
	Snap.select("#red").addClass('loading')
	
}
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