Updated.

app/views/asks/index.html.erb

@@ -66,7 +66,9 @@
   .ask-question .form-horizontal input[type="text"],.ask-question  .form-horizontal select{
     width: 97%;
   }
-  
+  .ask-question .form-horizontal input[type="text"].hasDatepicker{
+    width: auto;
+  }
   .ask-question .form-horizontal .form-actions{
     position: relative;
     padding: 1em 0 0 0;