updatd modal styling

Author: smcgregor

css/index.css

@@ -378,4 +378,8 @@ body {
 
 .btn {
     min-width: 220px;
+}
+
+.modal-title {
+    text-align: center;
 }

index.html

@@ -203,10 +203,6 @@ <h2><span class="glyphicon glyphicon-picture"></span> State Detail </h2>
       <div class="modal-dialog">
         <div class="modal-content">
           <div class="modal-header">
-            <button type="button" class="close" data-dismiss="modal" aria-label="Close"
-              data-simulator-path="http://72.11.240.133:5000/">
-              <span aria-hidden="true">&times;</span>
-            </button>
             <h4 class="modal-title" id="serverSelectionModalLabel">MDPvis: Connect to a Simulator</h4>
           </div>
           <div class="modal-body">