Agrego iconos

index.html

@@ -19,7 +19,7 @@
             <form class="box" method="post" action="" enctype="multipart/form-data">
                 <div class="title">Stamp</div>
                 <div class="center_div" id="stamp" ondrop="drop(event)" ondragover="allowDrop(event)">  
-                    <div style="width: 100%; text-align: center; margin-top: 10px" id="stamp_info">Drop file <i class="fa fa-arrow-alt-circle-down"></i></div>          
+                    <div style="width: 100%; text-align: center; margin-top: 10px" id="stamp_info">Drop file <span class="glyphicon glyphicon-arrow-down"></span></div>
                 </div>
                 <div id="ots_div" class="center_div">               
                 </div>