Bootstrap Snippets, Bootstrap Timeline, Two Column Timeline

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap Timeline, Two Column Timeline</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script type="text/javascript" src="http://www.freetimelearning.com/js/jquery-1.11.3.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<style type="text/css">
#timeline {
  list-style: none;
  position: relative;
}
#timeline:before {
  top: 0;
  bottom: 0;
  position: absolute;
  content: " ";
  width: 2px;
  background-color: #4997cd;
  left: 50%;
  margin-left: -1.5px;
}
#timeline .clearFix {
  clear: both;
  height: 0;
}
#timeline .timeline-badge {
  color: #fff;
  width: 50px;
  height: 50px;
  font-size: 1.2em;
  text-align: center;
  position: absolute;
  top: 20px;
  left: 50%;
  margin-left: -25px;
  background-color: #0099da;
  z-index: 100;
  border-top-right-radius: 50%;
  border-top-left-radius: 50%;
  border-bottom-right-radius: 50%;
  border-bottom-left-radius: 50%;
}
#timeline .timeline-badge span.timeline-balloon-date-day {
  font-size: 1.4em;
}
#timeline .timeline-badge span.timeline-balloon-date-month {
  font-size: .7em;
  position: relative;
  top: -10px;
}
#timeline .timeline-badge.timeline-filter-movement {
  background-color: #ffffff;
  font-size: 1.7em;
  height: 35px;
  margin-left: -18px;
  width: 35px;
  top: 40px;
}
#timeline .timeline-badge.timeline-filter-movement a span {
  color: #4997cd;
  font-size: 1.3em;
  top: -1px;
}
#timeline .timeline-badge.timeline-future-movement {
  background-color: #ffffff;
  height: 35px;
  width: 35px;
  font-size: 1.7em;
  top: -16px;
  margin-left: -18px;
}
#timeline .timeline-badge.timeline-future-movement a span {
  color: #4997cd;
  font-size: .9em;
  top: 2px;
  left: 1px;
}
#timeline .timeline-movement {
  border-bottom: solid 1px #0099da;
  position: relative;
}
#timeline .timeline-movement.timeline-movement-top {
  height: 60px;
}
#timeline .timeline-movement .timeline-item {
  padding: 20px 0;
}
#timeline .timeline-movement .timeline-item .timeline-panel {
  border: 1px solid #d4d4d4;
  border-radius: 3px;
  background-color: #FFFFFF;
  color: #666;
  padding: 10px;
  position: relative;
  -webkit-box-shadow: 0 1px 6px rgba(0, 0, 0, 0.175);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.175);
}
#timeline .timeline-movement .timeline-item .timeline-panel .timeline-panel-ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
#timeline .timeline-movement .timeline-item .timeline-panel.credits .timeline-panel-ul {
  text-align: right;
}
#timeline .timeline-movement .timeline-item .timeline-panel.credits .timeline-panel-ul li {
  color: #666;
}
#timeline .timeline-movement .timeline-item .timeline-panel.credits .timeline-panel-ul li span.importo {
  color: #6923c4;
  font-size: 1.3em;
}
#timeline .timeline-movement .timeline-item .timeline-panel.debits .timeline-panel-ul {
  text-align: left;
}
#timeline .timeline-movement .timeline-item .timeline-panel.debits .timeline-panel-ul span.importo {
  color: #fc7e00;
  font-size: 1.3em;
}
</style>

<div class="page-header">
	<h2 id="">Two Column Timeline</h2>
</div>
<div id="timeline">
<div class="row timeline-movement timeline-movement-top">
    <div class="timeline-badge timeline-future-movement">
        <a href="#">
            <span class="glyphicon glyphicon-chevron-down"></span>
        </a>
    </div>
    <div class="timeline-badge timeline-filter-movement">
        <a href="#">
            <span class="glyphicon glyphicon-time"></span>
        </a>
    </div>

</div>
<div class="row timeline-movement">

<div class="col-sm-6  timeline-item">
        <div class="row">
            <div class="col-sm-11">
                <div class="timeline-panel credits">
                    <ul class="timeline-panel-ul">
                        <li><span class="importo">HTML Tutorial</span></li>
                        <li><span class="causale">Hyper Text Markup Language (HTML) was invented by "Tim Berner Lee".He was a British Computer Scientist. The first web page was created at CERN by Tim Berners-Lee on August 6, 1991.</span> </li>
                        <li><p><small class="text-muted"><i class="glyphicon glyphicon-time"></i> 14/06/2017</small></p> </li>
                    </ul>
                </div>