upgrade blueimp from 9.8 to 9.18

library/blueimp_upload/css/jquery.fileupload.css

@@ -1,18 +1,19 @@
 @charset "UTF-8";
 /*
- * jQuery File Upload Plugin CSS 1.3.0
+ * jQuery File Upload Plugin CSS
  * https://github.com/blueimp/jQuery-File-Upload
  *
  * Copyright 2013, Sebastian Tschan
  * https://blueimp.net
  *
  * Licensed under the MIT license:
- * http://www.opensource.org/licenses/MIT
+ * https://opensource.org/licenses/MIT
  */
 
 .fileinput-button {
   position: relative;
   overflow: hidden;
+  display: inline-block;
 }
 .fileinput-button input {
   position: absolute;
@@ -21,7 +22,7 @@
   margin: 0;
   opacity: 0;
   -ms-filter: 'alpha(opacity=0)';
-  font-size: 200px;
+  font-size: 200px !important;
   direction: ltr;
   cursor: pointer;
 }