diff --git a/Azaion.Annotator/Controls/AnnotationControl.cs b/Azaion.Annotator/Controls/AnnotationControl.cs
index 5810b88..54e73c0 100644
--- a/Azaion.Annotator/Controls/AnnotationControl.cs
+++ b/Azaion.Annotator/Controls/AnnotationControl.cs
@@ -10,7 +10,7 @@ namespace Azaion.Annotator.Controls;
 public class AnnotationControl : Border
 {
     private readonly Action<object, MouseButtonEventArgs> _resizeStart;
-    private const double RESIZE_RECT_SIZE = 10;
+    private const double RESIZE_RECT_SIZE = 9;
 
     private readonly Grid _grid;
     private readonly TextBlock _classNameLabel;
@@ -52,14 +52,14 @@ public class AnnotationControl : Border
             VerticalAlignment = VerticalAlignment.Top,
             Margin = new Thickness(0, 15, 0, 0),
             FontSize = 14,
-            Cursor = Cursors.Arrow
+            Cursor = Cursors.SizeAll
         };
         _selectionFrame = new Rectangle
         {
             HorizontalAlignment = HorizontalAlignment.Stretch,
             VerticalAlignment = VerticalAlignment.Stretch,
             Stroke = new SolidColorBrush(Colors.Black),
-            StrokeThickness = 3,
+            StrokeThickness = 2,
             Visibility = Visibility.Collapsed
         };
         
@@ -79,9 +79,7 @@ public class AnnotationControl : Border
                 AddRect("rLB", HorizontalAlignment.Left, VerticalAlignment.Bottom, Cursors.SizeNESW),
                 AddRect("rCB", HorizontalAlignment.Center, VerticalAlignment.Bottom, Cursors.SizeNS),
                 AddRect("rRB", HorizontalAlignment.Right, VerticalAlignment.Bottom, Cursors.SizeNWSE)
-            },
-            
-            Background = new SolidColorBrush(annotationClass.Color) 
+            }
         };
         Child = _grid;
         Cursor = Cursors.SizeAll;
@@ -97,7 +95,7 @@ public class AnnotationControl : Border
             VerticalAlignment = va,
             Width = RESIZE_RECT_SIZE,
             Height = RESIZE_RECT_SIZE,
-            Stroke = new SolidColorBrush(Color.FromRgb(10, 10, 10)), // small rectangles color
+            Stroke = new SolidColorBrush(Color.FromArgb(230, 40, 40, 40)), // small rectangles color
             Fill = new SolidColorBrush(Color.FromArgb(1, 255, 255, 255)),
             Cursor = crs,
             Name = name,
diff --git a/Azaion.Annotator/DTO/AnnotationClass.cs b/Azaion.Annotator/DTO/AnnotationClass.cs
index 0850e66..df1fa19 100644
--- a/Azaion.Annotator/DTO/AnnotationClass.cs
+++ b/Azaion.Annotator/DTO/AnnotationClass.cs
@@ -1,4 +1,5 @@
-using System.Windows.Media;
+using System.Text.Json.Serialization;
+using System.Windows.Media;
 using Azaion.Annotator.Extensions;
 
 namespace Azaion.Annotator.DTO;
@@ -10,6 +11,9 @@ public class AnnotationClass(int id, string name = "")
     public string Name { get; set; } = name;
     public Color Color { get; set; } = id.ToColor();
 
+    [JsonIgnore]
     public int ClassNumber => Id + 1;
+
+    [JsonIgnore]
     public SolidColorBrush ColorBrush => new(Color);
 }
\ No newline at end of file
diff --git a/Azaion.Annotator/DTO/Config.cs b/Azaion.Annotator/DTO/Config.cs
index 81e30ba..b66f0d5 100644
--- a/Azaion.Annotator/DTO/Config.cs
+++ b/Azaion.Annotator/DTO/Config.cs
@@ -1,5 +1,6 @@
 using System.IO;
 using System.Text;
+using System.Windows.Media;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
 using Size = System.Windows.Size;
diff --git a/Azaion.Annotator/Extensions/ColorExtensions.cs b/Azaion.Annotator/Extensions/ColorExtensions.cs
index e0dcafe..44057d4 100644
--- a/Azaion.Annotator/Extensions/ColorExtensions.cs
+++ b/Azaion.Annotator/Extensions/ColorExtensions.cs
@@ -7,20 +7,14 @@ public static class ColorExtensions
     public static Color ToColor(this int id)
     {
         var index = id % ColorValues.Length;
-        return ToColor($"#{ColorValues[index]}");
-    }
-    
-    public static Color ToColor(string hex)
-    {
-        var color = (Color)ColorConverter.ConvertFromString(hex);
-        color.A = 128;
+        var hex = $"#40{ColorValues[index]}";
+        var color =(Color)ColorConverter.ConvertFromString(hex);
         return color;
     }
-
     
     private static readonly string[] ColorValues =
     [
-        "FF0000", "00FF00", "0000FF", "FFFF00", "FF00FF", "00FFFF", "000000", 
+        "FF0000", "00FF00", "0000FF", "FFFF00", "FF00FF", "00FFFF", "000000",
         "800000", "008000", "000080", "808000", "800080", "008080", "808080", 
         "C00000", "00C000", "0000C0", "C0C000", "C000C0", "00C0C0", "C0C0C0", 
         "400000", "004000", "000040", "404000", "400040", "004040", "404040", 
diff --git a/Azaion.Annotator/config.json b/Azaion.Annotator/config.json
index 81bf945..8f6c036 100644
--- a/Azaion.Annotator/config.json
+++ b/Azaion.Annotator/config.json
@@ -7,69 +7,59 @@
     {
       "Id": 0,
       "Name": "Броньована техніка",
-      "Color": "#80FF0000",
-      "ColorBrush": "#80FF0000"
+      "Color": "#40FF0000"
     },
     {
       "Id": 1,
       "Name": "Вантажівка",
-      "Color": "#8000FF00",
-      "ColorBrush": "#8000FF00"
+      "Color": "#4000FF00"
     },
     {
       "Id": 2,
       "Name": "Машина легкова",
-      "Color": "#800000FF",
-      "ColorBrush": "#800000FF"
+      "Color": "#400000FF"
     },
     {
       "Id": 3,
       "Name": "Артилерія",
-      "Color": "#80FFFF00",
-      "ColorBrush": "#80FFFF00"
+      "Color": "#40FFFF00"
     },
     {
       "Id": 4,
       "Name": "Тінь від техніки",
-      "Color": "#80FF00FF",
-      "ColorBrush": "#80FF00FF"
+      "Color": "#40FF00FF"
     },
     {
       "Id": 5,
       "Name": "Окопи",
-      "Color": "#8000FFFF",
-      "ColorBrush": "#8000FFFF"
+      "Color": "#4000FFFF"
     },
     {
       "Id": 6,
       "Name": "Військовий",
-      "Color": "#80000000",
-      "ColorBrush": "#80000000"
+      "Color": "#40000000"
     },
     {
       "Id": 7,
       "Name": "Накати",
-      "Color": "#80800000",
-      "ColorBrush": "#80800000"
+      "Color": "#40800000"
     },
     {
       "Id": 8,
       "Name": "Танк з захистом",
-      "Color": "#80008000",
-      "ColorBrush": "#80008000"
+      "Color": "#40008000"
     },
     {
       "Id": 9,
       "Name": "Дим",
-      "Color": "#80000080",
-      "ColorBrush": "#80000080"
+      "Color": "#40000080"
     }
   ],
   "WindowSize": "1920,1080",
   "WindowLocation": "200,121",
   "FullScreen": true,
-  "LeftPanelWidth": 30,
-  "RightPanelWidth": 30,
+  "LeftPanelWidth": 300,
+  "RightPanelWidth": 300,
   "ShowHelpOnStart": false,
   "VideoFormats": ["mov", "mp4"],
   "ImageFormats": ["jpg", "jpeg", "png", "bmp", "gif"]