diff --git a/GCDWebUploader/GCDWebUploader.bundle/index.html b/GCDWebUploader/GCDWebUploader.bundle/index.html
index a4c5f0d..6bada06 100644
--- a/GCDWebUploader/GCDWebUploader.bundle/index.html
+++ b/GCDWebUploader/GCDWebUploader.bundle/index.html
@@ -52,7 +52,7 @@
       <p class="header">%header%</p>
       <form id="fileupload" method="POST" enctype="multipart/form-data">
         <div class="row fileupload-buttonbar">
-          <div class="col-lg-8">
+          <div class="col-sm-8">
             <span class="btn btn-success fileinput-button">
               <i class="glyphicon glyphicon-plus"></i>
               <span>Upload Files&hellip;</span>
@@ -64,7 +64,7 @@
             </button>
             <span class="fileupload-process"></span>
           </div>
-          <div class="col-lg-4 fileupload-progress fade">
+          <div class="col-sm-4 fileupload-progress fade">
             <div class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100">
               <div class="progress-bar progress-bar-success" style="width:0%;"></div>
             </div>