Update conferences.html

Author: José Valim

_includes/conferences.html

@@ -1,18 +1,13 @@
 <div class="widget events">
   <h3 class="widget-title">Upcoming conferences</h3>
-  <ul>
-    <li>
-      <a href="http://bit.ly/2OH94JA" style="text-decoration: none">
-        <img src="https://i.imgur.com/97boNMf.png" alt="CodeBeam SF" border="0" style="max-width:240px; height:auto;" />
-        <span style="text-decoration: none"><strong>San Francisco, California</strong> | Conference 5–6 March | Training 2–4 March</span>
-      </a>
-    </li>
 
-    <li>
-      <a href="https://www2.elixirconf.eu/l/23452/2019-11-25/6t44sx" style="text-decoration: none">
-        <img src="https://s3.amazonaws.com/esl-conf-stg/media/files/000/000/935/original/elixirconfeu2020-elixirlang.jpg?1574953960" alt="ElixirConf EU 2020" border="0" style="max-width:240px; height:auto;" />
-        <span style="text-decoration: none"><strong>Warsaw, Poland</strong> | Conference 29–30 April | Training 28 April</span>
-      </a>
-    </li>
-  </ul>
+  <a href="http://bit.ly/2OH94JA">
+    <img src="https://i.imgur.com/97boNMf.png" alt="CodeBeam SF" border="0" style="max-width:240px; height:auto;" /><br />
+    <span><strong>San Francisco, California</strong> | Conference 5–6 March | Training 2–4 March</span>
+  </a>
+
+  <a href="https://www2.elixirconf.eu/l/23452/2019-11-25/6t44sx">
+    <img src="https://s3.amazonaws.com/esl-conf-stg/media/files/000/000/935/original/elixirconfeu2020-elixirlang.jpg?1574953960" alt="ElixirConf EU 2020" border="0" style="max-width:240px; height:auto;" /><br />
+    <span><strong>Warsaw, Poland</strong> | Conference 29–30 April | Training 28 April</span>
+  </a>
 </div>