Hacked better alignment for VSEPR for demo

common/lib/capa/capa/templates/vsepr_input.html

@@ -2,14 +2,14 @@
 
 <section id="textinput_${id}" class="textinput ${doinline}" >
      <table><tr><td height='600'>
-    <div id="vsepr_div">
+    <div id="vsepr_div" style="position:relative;">
     <canvas id="vsepr" width="${width}" height="${height}">
     </canvas>
     </div>
     </td><td valign ='top'>
     <select id="molecule_select" size="18">
     </select>
-    <input id="submit_button" type="button" value="Submit"/>
+    <!--input id="submit_button" type="button" value="Submit"/-->
     </td></tr></table>
 
     <div class="script_placeholder" data-src="/static/js/vsepr/vsepr.js"></div>
@@ -57,4 +57,4 @@
 % if state in ['unsubmitted', 'correct', 'incorrect', 'incomplete'] or hidden:
 </div>
 % endif
-</section>
\ No newline at end of file
+</section>