diff --git a/Editor/Elements/TriBoxGroupElement.cs b/Editor/Elements/TriBoxGroupElement.cs
index 0786392..5804782 100644
--- a/Editor/Elements/TriBoxGroupElement.cs
+++ b/Editor/Elements/TriBoxGroupElement.cs
@@ -27,7 +27,7 @@ namespace TriInspector.Elements
 
         protected override void DrawHeader(Rect position)
         {
-            TriEditorGUI.DrawBox(position, TriEditorStyles.HeaderBox);
+            TriEditorGUI.DrawBox(position, TriEditorStyles.TabOnlyOne);
 
             var headerLabelRect = new Rect(position)
             {
diff --git a/Editor/Resources/TriInspector_Header_Bg.png b/Editor/Resources/TriInspector_Header_Bg.png
deleted file mode 100644
index 0b890b6..0000000
Binary files a/Editor/Resources/TriInspector_Header_Bg.png and /dev/null differ
diff --git a/Editor/Resources/TriInspector_Header_Bg.png.meta b/Editor/Resources/TriInspector_Header_Bg.png.meta
deleted file mode 100644
index ca8fd54..0000000
--- a/Editor/Resources/TriInspector_Header_Bg.png.meta
+++ /dev/null
@@ -1,108 +0,0 @@
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-guid: 527fefefcbb0e3e4289bf8c5e0be5cd4
-TextureImporter:
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-  textureFormat: 1
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-  textureSettings:
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-  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
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-  alphaUsage: 1
-  alphaIsTransparency: 1
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-  flipbookColumns: 1
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-  ignorePngGamma: 0
-  applyGammaDecoding: 0
-  platformSettings:
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-    maxTextureSize: 2048
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-    crunchedCompression: 0
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-  - serializedVersion: 3
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-    compressionQuality: 50
-    crunchedCompression: 0
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-  pSDRemoveMatte: 0
-  pSDShowRemoveMatteOption: 0
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Editor/Resources/TriInspector_Header_Bg_Dark.png b/Editor/Resources/TriInspector_Header_Bg_Dark.png
deleted file mode 100644
index fbd01b9..0000000
Binary files a/Editor/Resources/TriInspector_Header_Bg_Dark.png and /dev/null differ
diff --git a/Editor/Resources/TriInspector_Header_Bg_Dark.png.meta b/Editor/Resources/TriInspector_Header_Bg_Dark.png.meta
deleted file mode 100644
index ef8775c..0000000
--- a/Editor/Resources/TriInspector_Header_Bg_Dark.png.meta
+++ /dev/null
@@ -1,108 +0,0 @@
-fileFormatVersion: 2
-guid: ee1f3c29d1186ca43bf0eb4cc9d90ee5
-TextureImporter:
-  internalIDToNameTable: []
-  externalObjects: {}
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-  mipmaps:
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-    linearTexture: 0
-    fadeOut: 0
-    borderMipMap: 0
-    mipMapsPreserveCoverage: 0
-    alphaTestReferenceValue: 0.5
-    mipMapFadeDistanceStart: 1
-    mipMapFadeDistanceEnd: 3
-  bumpmap:
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-    externalNormalMap: 0
-    heightScale: 0.25
-    normalMapFilter: 0
-  isReadable: 0
-  streamingMipmaps: 0
-  streamingMipmapsPriority: 0
-  vTOnly: 0
-  grayScaleToAlpha: 0
-  generateCubemap: 6
-  cubemapConvolution: 0
-  seamlessCubemap: 0
-  textureFormat: 1
-  maxTextureSize: 2048
-  textureSettings:
-    serializedVersion: 2
-    filterMode: 1
-    aniso: 1
-    mipBias: 0
-    wrapU: 1
-    wrapV: 1
-    wrapW: 0
-  nPOTScale: 0
-  lightmap: 0
-  compressionQuality: 50
-  spriteMode: 1
-  spriteExtrude: 1
-  spriteMeshType: 1
-  alignment: 0
-  spritePivot: {x: 0.5, y: 0.5}
-  spritePixelsToUnits: 100
-  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
-  spriteGenerateFallbackPhysicsShape: 0
-  alphaUsage: 1
-  alphaIsTransparency: 1
-  spriteTessellationDetail: -1
-  textureType: 8
-  textureShape: 1
-  singleChannelComponent: 0
-  flipbookRows: 1
-  flipbookColumns: 1
-  maxTextureSizeSet: 0
-  compressionQualitySet: 0
-  textureFormatSet: 0
-  ignorePngGamma: 0
-  applyGammaDecoding: 0
-  platformSettings:
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-    buildTarget: DefaultTexturePlatform
-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: 3
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
-    androidETC2FallbackOverride: 0
-    forceMaximumCompressionQuality_BC6H_BC7: 0
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-    buildTarget: Standalone
-    maxTextureSize: 2048
-    resizeAlgorithm: 0
-    textureFormat: 3
-    textureCompression: 1
-    compressionQuality: 50
-    crunchedCompression: 0
-    allowsAlphaSplitting: 0
-    overridden: 0
-    androidETC2FallbackOverride: 0
-    forceMaximumCompressionQuality_BC6H_BC7: 0
-  spriteSheet:
-    serializedVersion: 2
-    sprites: []
-    outline: []
-    physicsShape: []
-    bones: []
-    spriteID: 5e97eb03825dee720800000000000000
-    internalID: 0
-    vertices: []
-    indices: 
-    edges: []
-    weights: []
-    secondaryTextures: []
-  spritePackingTag: 
-  pSDRemoveMatte: 0
-  pSDShowRemoveMatteOption: 0
-  userData: 
-  assetBundleName: 
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diff --git a/Editor/TriEditorStyles.cs b/Editor/TriEditorStyles.cs
index 407d259..a340b9d 100644
--- a/Editor/TriEditorStyles.cs
+++ b/Editor/TriEditorStyles.cs
@@ -7,7 +7,6 @@ namespace TriInspector
     {
         private const string BaseResourcesPath = "Packages/com.triinspector/Editor/Resources/";
 
-        private static GUIStyle _headerBox;
         private static GUIStyle _contentBox;
         private static GUIStyle _box;
 
@@ -16,26 +15,6 @@ namespace TriInspector
         public static GUIStyle TabMiddle { get; } = "Tab middle";
         public static GUIStyle TabLast { get; } = "Tab last";
 
-        public static GUIStyle HeaderBox
-        {
-            get
-            {
-                if (_headerBox == null)
-                {
-                    _headerBox = new GUIStyle
-                    {
-                        border = new RectOffset(2, 2, 2, 2),
-                        normal =
-                        {
-                            background = LoadTexture("TriInspector_Header_Bg"),
-                        },
-                    };
-                }
-
-                return _headerBox;
-            }
-        }
-
         public static GUIStyle ContentBox
         {
             get