diff --git a/views/pages/index.ejs b/views/pages/index.ejs
index b6e6fd0..058a363 100644
--- a/views/pages/index.ejs
+++ b/views/pages/index.ejs
@@ -32,17 +32,17 @@
               This contains a row that holds buttons of type button. Buttons are highlighted upon selection. 
         -->
         <div class="row">
-          <button type="button" class="btn-default col-xs-4">
+          <button type="button" class="btn-default img-thumbnail col-xs-4">
             <img class="img-responsive" src="images/pedestrian-walking.svg" alt="Walking Option" width="40" height="40">
           </button>
 
           <!-- Second travel button, driving -->
-          <button type="button" class="btn-default col-xs-4">
+          <button type="button" class="btn-default img-thumbnail col-xs-4">
             <img class="img-responsive" src="images/car-compact.svg" alt="Walking Option" width="40" height="40">
           </button>
 
           <!-- Third travel button, bus -->
-          <button type="button" class="btn-default col-xs-4" onclick="javascript:autofill();">
+          <button type="button" class="btn-default img-thumbnail col-xs-4" onclick="javascript:autofill();">
             <img class="img-responsive" src="images/bus.svg" alt="Walking Option" width="40" height="40">
           </button>
         </div>