Fix the size of the loading screen for the filepicker

www/filepicker/inner.html

@@ -5,7 +5,7 @@
     <script async data-bootload="/filepicker/inner.js" data-main="/common/sframe-boot.js?ver=1.3" src="/bower_components/requirejs/require.js?ver=2.3.5"></script>
     <style>
         .loading-hidden { display: none; }
-        body #loading {
+        body #cp-loading {
             position: absolute;
             top: 15vh;
             bottom: 15vh;
@@ -14,10 +14,10 @@
             z-index: 200000;
             overflow: hidden;
         }
-        body #loading .loadingContainer {
+        body #cp-loading .cp-loading-container {
             margin-top: 35vh;
         }
-        body #loading .cryptofist {
+        body #cp-loading .cp-loading-cryptofist {
             display: none;
         }
     </style>