Paste below HTML at Before < /body >

<div id="FixedPositionWrapper">
    <div id="FixedPositionOuter">
        <div id="FixedPositionInner">
            <a href="contact.html#info"><img src="images/quick-link-icon.png"></a>
        </div>
    </div>
</div>

Paste below at Custom CSS

#FixedPositionWrapper {
  margin: auto;
  position: fixed;
  margin: auto;
  right: 0;
  bottom: 0;
  z-index:99999;
}
#FixedPositionOuter {
  width: 100%;
}
#FixedPositionInner {
  font-size: 18pt;
  font-family: Tahoma;
  text-align: right;
  color: white;
  margin-bottom: 30px;
}