diff --git a/firmware/data/bottom.js b/firmware/data/bottom.js
index fe6a7d6..e619d89 100644
--- a/firmware/data/bottom.js
+++ b/firmware/data/bottom.js
@@ -1,4 +1,5 @@
 function addTabListener() {
+console.log("Try to add tab listener");
 try {
 var tabMain = document.getElementById("tab-lights");
 var tabConfig = document.getElementById("tab-config");
@@ -7,6 +8,7 @@ var amain = document.getElementById("tab-a-lights");
 var acfg = document.getElementById("tab-a-config");
 var atde = document.getElementById("tab-a-tde");
 amain.addEventListener("click", function() {
+console.log("Switch to main lights tab");
 tabMain.classList.add("visible");
 tabConfig.classList.remove("visible");
 tabTDE.classList.remove("visible");
@@ -15,6 +17,7 @@ acfg.classList.remove("pure-button-primary");
 atde.classList.remove("pure-button-primary");
 });
 acfg.addEventListener("click", function() {
+console.log("Switch to config tab");
 tabMain.classList.remove("visible");
 tabConfig.classList.add("visible");
 tabTDE.classList.remove("visible");
@@ -23,13 +26,13 @@ acfg.classList.add("pure-button-primary");
 atde.classList.remove("pure-button-primary");
 });
 atde.addEventListener("click", function() {
+console.log("Switch to TDE tab");
 tabMain.classList.remove("visible");
 tabConfig.classList.remove("visible");
 tabTDE.classList.add("visible");
 amain.classList.remove("pure-button-primary");
 acfg.classList.remove("pure-button-primary");
 atde.classList.add("pure-button-primary");
-createTable();
 });
 } catch (error) {
 console.log("Error: load listener of the tab action listener management: " + error.message);
diff --git a/firmware/data/index_template_top.html b/firmware/data/index_template_top.html
index e12f53c..3c7bd96 100644
--- a/firmware/data/index_template_top.html
+++ b/firmware/data/index_template_top.html
@@ -9,6 +9,23 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
 <link rel="stylesheet" href="https://unpkg.com/purecss@0.6.2/build/pure-min.css">
 <meta name="viewport" content="width=device-width, initial-scale=1">
+<style>
+#tab-lights, #tab-config, #tab-tde {
+display: none;
+background-color: #ffffff;
+color: black;
+font-weight: bold;
+}
+#tab-lights.visible {
+display: block;
+}
+#tab-config.visible {
+display: block;
+}
+#tab-tde.visible {
+display: block;
+}
+</style>
 <style src="http://{{IP_ADDRESS}}'/css">
 </style>
 </head>
diff --git a/firmware/data/style.css b/firmware/data/style.css
index e39a471..687ae93 100644
--- a/firmware/data/style.css
+++ b/firmware/data/style.css
@@ -1,4 +1,4 @@
-#tab-lights, #tab-config, #tab-tde {
+/*#tab-lights, #tab-config, #tab-tde {
 display: none;
 background-color: #ffffff;
 color: black;
@@ -40,4 +40,4 @@ cursor: pointer;
 }
 .pure-button:hover {
 background-color: #333;
-}
\ No newline at end of file
+}*/
\ No newline at end of file
diff --git a/firmware/html/bottom.js b/firmware/html/bottom.js
index b3af045..b5e3b31 100644
--- a/firmware/html/bottom.js
+++ b/firmware/html/bottom.js
@@ -1,4 +1,5 @@
 function addTabListener() {
+    console.log("Try to add tab listener");
     try {
         var tabMain = document.getElementById("tab-lights");
         var tabConfig = document.getElementById("tab-config");
@@ -10,6 +11,7 @@ function addTabListener() {
 
 
         amain.addEventListener("click", function() {
+            console.log("Switch to main lights tab");
             tabMain.classList.add("visible");
             tabConfig.classList.remove("visible");
             tabTDE.classList.remove("visible");
@@ -20,6 +22,7 @@ function addTabListener() {
         });
 
         acfg.addEventListener("click", function() {
+            console.log("Switch to config tab");
             tabMain.classList.remove("visible");
             tabConfig.classList.add("visible");
             tabTDE.classList.remove("visible");
@@ -30,6 +33,7 @@ function addTabListener() {
         });
 
         atde.addEventListener("click", function() {
+            console.log("Switch to TDE tab");
             tabMain.classList.remove("visible");
             tabConfig.classList.remove("visible");
             tabTDE.classList.add("visible");
@@ -38,7 +42,7 @@ function addTabListener() {
             acfg.classList.remove("pure-button-primary");
             atde.classList.add("pure-button-primary");
 
-            createTable();
+            //createTable(); // recreate the table on timing data editor tab
         });
     } catch (error) {
         console.log("Error: load listener of the tab action listener management: " + error.message);
diff --git a/firmware/html/index_template_top.html b/firmware/html/index_template_top.html
index 6818214..511eecc 100644
--- a/firmware/html/index_template_top.html
+++ b/firmware/html/index_template_top.html
@@ -9,6 +9,23 @@
     <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js"></script>
     <link rel="stylesheet" href="https://unpkg.com/purecss@0.6.2/build/pure-min.css">
     <meta name="viewport" content="width=device-width, initial-scale=1">
+    <style>
+    #tab-lights, #tab-config, #tab-tde {
+    display: none;
+    background-color: #ffffff;
+    color: black;
+    font-weight: bold;
+    }
+    #tab-lights.visible {
+    display: block;
+    }
+    #tab-config.visible {
+    display: block;
+    }
+    #tab-tde.visible {
+    display: block;
+    }
+    </style>
     <style src="http://{{IP_ADDRESS}}'/css">
     </style>
 </head>
diff --git a/firmware/html/style.css b/firmware/html/style.css
index e39a471..687ae93 100644
--- a/firmware/html/style.css
+++ b/firmware/html/style.css
@@ -1,4 +1,4 @@
-#tab-lights, #tab-config, #tab-tde {
+/*#tab-lights, #tab-config, #tab-tde {
 display: none;
 background-color: #ffffff;
 color: black;
@@ -40,4 +40,4 @@ cursor: pointer;
 }
 .pure-button:hover {
 background-color: #333;
-}
\ No newline at end of file
+}*/
\ No newline at end of file