Website build SUMO website/master-299
diff --git a/2013/index.html b/2013/index.html
index cb942c9..14bf8e2 100644
--- a/2013/index.html
+++ b/2013/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2013/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2014/index.html b/2014/index.html
index 9c697a6..c9f20d3 100644
--- a/2014/index.html
+++ b/2014/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2014/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2015/index.html b/2015/index.html
index 12a74b6..d4bfeb9 100644
--- a/2015/index.html
+++ b/2015/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2015/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2016/index.html b/2016/index.html
index 483280c..a9d24c8 100644
--- a/2016/index.html
+++ b/2016/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2016/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2017/index.html b/2017/index.html
index 02416ca..2fe39ad 100644
--- a/2017/index.html
+++ b/2017/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2017/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2018/index.html b/2018/index.html
index a2fcea1..b9c38ce 100644
--- a/2018/index.html
+++ b/2018/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2018/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2019/index.html b/2019/index.html
index 49ada1d..481ae8b 100644
--- a/2019/index.html
+++ b/2019/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2019/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/2020/index.html b/2020/index.html
index 0291f91..f1598ff 100644
--- a/2020/index.html
+++ b/2020/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/2020/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/about/index.html b/about/index.html
index 1575a84..5605c34 100644
--- a/about/index.html
+++ b/about/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/about/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/conference/index.html b/conference/index.html
index 7a4e859..795f992 100644
--- a/conference/index.html
+++ b/conference/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/conference/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
@@ -272,10 +272,17 @@
     </td>
   </tr>
   <tr>
-    <td align="right">16:00 -</td>
+    <td align="right">16:00 - 17:30</td>
     <td>
-   <b>A/B Street Workshop</b><br>
+   <b>A/B Street: a public-facing traffic simulator for transportation advocacy</b><br>
    Dustin Carlino
+<p><a id="abmoreinfobutton" style="color:#0645ad; cursor:pointer;" onclick="document.getElementById('abmoreinfobutton').style.display = 'none';" data-toggle="collapse" data-target="#abmoreinfo">Read more <i class="fas fa-angle-down"></i></a></p>
+<div id="abmoreinfo" class="collapse">
+A/B Street (<a href="https://abstreet.org">abstreet.org</a>) is an open source multi-modal traffic simulator designed for the general public to explore low-cost approaches for reducing motor vehicle use. Starting from OpenStreetMap data and a variety of travel demand sources, people using A/B Street can modify roads (like transforming street parking into bike- and bus-only lanes) and intersections (traffic signal timing). Using built-in elevation data, visualizations about individual trips and aggregate groups, and measurements of impact on travel time and risk exposure, interested citizens can present their idea to a city council for consideration.
+<br><br>
+This session will first give an overview of what A/B Street does and how it works. We'll then deep dive into understanding the discrete-event, agent-based simulation, and how to model dynamic lane-changing without compromising runtime performance. The second part of the session will be an interactive workshop where we install A/B Street (Mac, Windows, Linux, or running in your web browser), import somewhere new from OpenStreetMap, initially seed travel demand data, and start exploring adjustments to roads.
+<br><br><a id="abhideinfobutton" style="color:#0645ad; cursor:pointer;" onclick="document.getElementById('abmoreinfobutton').style.display = 'block';" data-toggle="collapse" data-target="#abmoreinfo">Collapse <i class="fas fa-angle-up"></i></a>
+</div>
     </td>
   </tr>
 </tbody>
@@ -419,7 +426,7 @@
 </tbody>
 </table>
 
-<p><small>Last updated: 30.06.2021</small></p>
+<p><small>Last updated: 06.07.2021</small></p>
 
 <!--
 |                | Monday, September 13, 2021 |
diff --git a/contact/index.html b/contact/index.html
index 032038a..176ce47 100644
--- a/contact/index.html
+++ b/contact/index.html
@@ -18,7 +18,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/contact/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
diff --git a/index.html b/index.html
index 4a4bb67..a2d7a7c 100644
--- a/index.html
+++ b/index.html
@@ -19,7 +19,7 @@
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://www.eclipse.org/sumo/">
     <meta name="keywords" content="SUMO, Eclipse SUMO, Traffic Simulation, Mobility">
-    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.0/css/bootstrap.min.css">
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
     <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>