diff --git a/GPW.CORE.SMART/Components/DtCard.razor b/GPW.CORE.SMART/Components/DtCard.razor
index 7c3e79d..003e817 100644
--- a/GPW.CORE.SMART/Components/DtCard.razor
+++ b/GPW.CORE.SMART/Components/DtCard.razor
@@ -3,7 +3,15 @@
         <span>@($"{dtCurr:dddd dd MMMM}")</span>
     </div>
     <div class="ora">
-        <span>@($"{dtCurr:HH}:{dtCurr:mm}")</span>
+        <div class="d-flex justify-content-center">
+            <div>
+                @($"{dtCurr:HH}")
+            </div>
+            <div class="@cssSec">:</div>
+            <div>
+                @($"{dtCurr:mm}")
+            </div>
+        </div>
     </div>
     @if (showAction)
     {
diff --git a/GPW.CORE.SMART/Components/DtCard.razor.cs b/GPW.CORE.SMART/Components/DtCard.razor.cs
index 2cb5028..b1acb54 100644
--- a/GPW.CORE.SMART/Components/DtCard.razor.cs
+++ b/GPW.CORE.SMART/Components/DtCard.razor.cs
@@ -52,11 +52,13 @@ namespace GPW.CORE.Smart.Components
             });
             pUpd.Wait();
         }
+
         public void ElapsedTimerUi(object? source, System.Timers.ElapsedEventArgs e)
         {
             var pUpd = Task.Run(async () =>
             {
                 dtCurr = DateTime.Now;
+                cssSec = (dtCurr.Second % 2 == 0) ? "text-light" : "text-dark";
                 await Task.Delay(1);
                 await InvokeAsync(() => StateHasChanged());
             });
@@ -71,23 +73,34 @@ namespace GPW.CORE.Smart.Components
             timbTimer.Enabled = true;
             timbTimer.Start();
         }
+
         public void StartTimerUI()
         {
             // timer che scatta dopo 3sec
-            uiTimer = new System.Timers.Timer(2000);
+            uiTimer = new System.Timers.Timer(1000);
             uiTimer.Elapsed += ElapsedTimerUi;
             uiTimer.Enabled = true;
             uiTimer.AutoReset = true;
             uiTimer.Start();
         }
 
+        #endregion Public Methods
+
+        #region Protected Properties
+
+        protected string cssSec { get; set; } = "text-light";
+
+        #endregion Protected Properties
+
+        #region Protected Methods
+
         protected override void OnInitialized()
         {
             base.OnInitialized();
             StartTimerUI();
         }
 
-        #endregion Public Methods
+        #endregion Protected Methods
 
         #region Private Fields