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+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Timeline | Background areas</title>
+
+  <style>
+    body, html {
+      font-family: arial, sans-serif;
+      font-size: 11pt;
+    }
+
+    .vis-item.vis-background.negative {
+      background-color: rgba(255, 0, 0, 0.2);
+    }
+  </style>
+
+  <script src="../../../dist/vis.js"></script>
+  <link href="../../../dist/vis.css" rel="stylesheet" type="text/css" />
+  <script src="../../googleAnalytics.js"></script>
+</head>
+<body>
+
+<p>This example demonstrates the item type "background", see "Period A" and "Period B". The background areas can be styled with css.</p>
+
+<div id="visualization"></div>
+
+<script>
+  var items = new vis.DataSet([
+    {id: 'A', content: 'Period A', start: '2014-01-16', end: '2014-01-22', type: 'background'},
+    {id: 'B', content: 'Period B', start: '2014-01-25', end: '2014-01-30', type: 'background', className: 'negative'},
+    {id: 1, content: 'item 1<br>start', start: '2014-01-23'},
+    {id: 2, content: 'item 2', start: '2014-01-18'},
+    {id: 3, content: 'item 3', start: '2014-01-21'},
+    {id: 4, content: 'item 4', start: '2014-01-19', end: '2014-01-24'},
+    {id: 5, content: 'item 5', start: '2014-01-28', type:'point'},
+    {id: 6, content: 'item 6', start: '2014-01-26'}
+  ]);
+
+  var container = document.getElementById('visualization');
+  var options = {
+    start: '2014-01-10',
+    end: '2014-02-10',
+    editable: true
+  };
+
+  var timeline = new vis.Timeline(container, items, options);
+
+</script>
+</body>
+</html>
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