Update

public/css/app.css

@@ -5,9 +5,7 @@ body{
   background-size: cover;
   /* background: #d5dee7 !important; */
   color:#333;
-  font-size: 12px;
   /* font-family: "Ubuntu", "Helvetica Neue", Roboto, Arial, "Droid Sans", sans-serif; */
-  zoom: 85%;
 }
 
 .navy-link, .breadcrumb-item a{

public/js/app.js

@@ -387,18 +387,14 @@ refreshNotif = ()=>{
 }
 refreshNotif();
 
-$.extend( $.fn.dataTable.ext.classes, {
-	sProcessing:   "dataTables_processing",
-});
+if($.fn.dataTable != undefined){
+  $.extend( $.fn.dataTable.ext.classes, {
+    sProcessing: "dataTables_processing",
+  });
+}
 
 $(window).resize(function(){
-    $($.fn.dataTable.tables(true)).DataTable().columns.adjust();                
+  if($.fn.dataTable != undefined){
+    $($.fn.dataTable.tables(true)).DataTable().columns.adjust();           
+  }     
 });
-
-$(window).on("#barButton", "click",()=>{
-    $(window).resize();
-    $($.fn.dataTable.tables(true)).DataTable().columns.adjust(); 
-    $.fn.dataTable
-    .tables( { visible: true, api: true } )
-    .columns.adjust();
-});