Fix #115: Autosize file caption responsively on window resize

examples/index.html

@@ -14,7 +14,6 @@
         <div class="container kv-main">
             <h1>Bootstrap File Input Example</h1>
             <form enctype="multipart/form-data">
-                
                 <input id="file-0" class="file" type="file" multiple=true>
                 <br>
                  <div class="form-group">