diff --git a/src/hello_imgui/impl/imgui_theme.cpp b/src/hello_imgui/impl/imgui_theme.cpp
index 91bbc4b9..c9525e85 100644
--- a/src/hello_imgui/impl/imgui_theme.cpp
+++ b/src/hello_imgui/impl/imgui_theme.cpp
@@ -417,7 +417,7 @@ namespace ImGuiTheme
             style.Colors[ImGuiCol_WindowBg] = ImVec4(0.1764705926179886f, 0.1764705926179886f, 0.1764705926179886f, 1.0f);
             style.Colors[ImGuiCol_ChildBg] = ImVec4(0.2784313857555389f, 0.2784313857555389f, 0.2784313857555389f, 0.0f);
             style.Colors[ImGuiCol_PopupBg] = ImVec4(0.3098039329051971f, 0.3098039329051971f, 0.3098039329051971f, 1.0f);
-            style.Colors[ImGuiCol_Border] = ImVec4(0.2627451121807098f, 0.2627451121807098f, 0.2627451121807098f, 1.0f);
+            style.Colors[ImGuiCol_Border] = ImVec4(0.3627451121807098f, 0.3627451121807098f, 0.3627451121807098f, 0.6f);
             style.Colors[ImGuiCol_BorderShadow] = ImVec4(0.0f, 0.0f, 0.0f, 0.0f);
             style.Colors[ImGuiCol_FrameBg] = ImVec4(0.1568627506494522f, 0.1568627506494522f, 0.1568627506494522f, 1.0f);
             style.Colors[ImGuiCol_FrameBgHovered] = ImVec4(0.2000000029802322f, 0.2000000029802322f, 0.2000000029802322f, 1.0f);
@@ -433,7 +433,7 @@ namespace ImGuiTheme
             style.Colors[ImGuiCol_CheckMark] = ImVec4(1.0f, 1.0f, 1.0f, 1.0f);
             style.Colors[ImGuiCol_SliderGrab] = ImVec4(0.3882353007793427f, 0.3882353007793427f, 0.3882353007793427f, 1.0f);
             style.Colors[ImGuiCol_SliderGrabActive] = ImVec4(1.0f, 0.3882353007793427f, 0.0f, 1.0f);
-            style.Colors[ImGuiCol_Button] = ImVec4(1.0f, 1.0f, 1.0f, 0.0f);
+            style.Colors[ImGuiCol_Button] = ImVec4(1.0f, 1.0f, 1.0f, 30.f / 255.f);
             style.Colors[ImGuiCol_ButtonHovered] = ImVec4(1.0f, 1.0f, 1.0f, 0.1560000032186508f);
             style.Colors[ImGuiCol_ButtonActive] = ImVec4(1.0f, 1.0f, 1.0f, 0.3910000026226044f);
             style.Colors[ImGuiCol_Header] = ImVec4(0.3098039329051971f, 0.3098039329051971f, 0.3098039329051971f, 1.0f);
@@ -466,6 +466,9 @@ namespace ImGuiTheme
             style.Colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.5860000252723694f);
             style.Colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.0f, 0.0f, 0.0f, 0.5860000252723694f);
 
+            style.FrameBorderSize = 1.f;
+            style.FrameRounding = 1.f;
+
             return style;
         }
 
@@ -1075,9 +1078,8 @@ namespace ImGuiTheme
                 tweaks->Rounding = -1.f;
         }
 
-        ImGui::Separator();
+        ImGui::SeparatorText("Color theme");
         {
-            ImGui::Text("Color theme");
             // Hue
             {
                 bool active = tweaks->Hue >= 0;