> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/ocornut/imgui/llms.txt
> Use this file to discover all available pages before exploring further.

# ImGuiStyle Complete Reference

> Complete reference for all ImGuiStyle structure fields

## Overview

This page documents all fields in the `ImGuiStyle` structure. For usage patterns and common customizations, see [Style](/api/style).

## ImGuiStyle Structure

```cpp theme={null}
struct ImGuiStyle
{
    // Font scaling
    float       FontSizeBase;
    float       FontScaleMain;
    float       FontScaleDpi;
    
    // Global alpha
    float       Alpha;
    float       DisabledAlpha;
    
    // Windows
    ImVec2      WindowPadding;
    float       WindowRounding;
    float       WindowBorderSize;
    float       WindowBorderHoverPadding;
    ImVec2      WindowMinSize;
    ImVec2      WindowTitleAlign;
    ImGuiDir    WindowMenuButtonPosition;
    
    // Child windows
    float       ChildRounding;
    float       ChildBorderSize;
    
    // Popups
    float       PopupRounding;
    float       PopupBorderSize;
    
    // Frames
    ImVec2      FramePadding;
    float       FrameRounding;
    float       FrameBorderSize;
    
    // Spacing
    ImVec2      ItemSpacing;
    ImVec2      ItemInnerSpacing;
    ImVec2      CellPadding;
    ImVec2      TouchExtraPadding;
    float       IndentSpacing;
    float       ColumnsMinSpacing;
    
    // Scrollbars
    float       ScrollbarSize;
    float       ScrollbarRounding;
    float       ScrollbarPadding;
    
    // Sliders & Grabs
    float       GrabMinSize;
    float       GrabRounding;
    float       LogSliderDeadzone;
    
    // Images
    float       ImageRounding;
    float       ImageBorderSize;
    
    // Tabs
    float       TabRounding;
    float       TabBorderSize;
    float       TabMinWidthBase;
    float       TabMinWidthShrink;
    float       TabCloseButtonMinWidthSelected;
    float       TabCloseButtonMinWidthUnselected;
    float       TabBarBorderSize;
    float       TabBarOverlineSize;
    
    // Tables
    float       TableAngledHeadersAngle;
    ImVec2      TableAngledHeadersTextAlign;
    
    // Trees
    ImGuiTreeNodeFlags TreeLinesFlags;
    float       TreeLinesSize;
    float       TreeLinesRounding;
    
    // Drag & Drop
    float       DragDropTargetRounding;
    float       DragDropTargetBorderSize;
    float       DragDropTargetPadding;
    
    // Color
    float       ColorMarkerSize;
    ImGuiDir    ColorButtonPosition;
    
    // Alignment
    ImVec2      ButtonTextAlign;
    ImVec2      SelectableTextAlign;
    
    // Separator
    float       SeparatorSize;
    float       SeparatorTextBorderSize;
    ImVec2      SeparatorTextAlign;
    ImVec2      SeparatorTextPadding;
    
    // Display
    ImVec2      DisplayWindowPadding;
    ImVec2      DisplaySafeAreaPadding;
    float       MouseCursorScale;
    
    // Anti-aliasing
    bool        AntiAliasedLines;
    bool        AntiAliasedLinesUseTex;
    bool        AntiAliasedFill;
    
    // Tessellation
    float       CurveTessellationTol;
    float       CircleTessellationMaxError;
    
    // Colors
    ImVec4      Colors[ImGuiCol_COUNT];
    
    // Behaviors
    float             HoverStationaryDelay;
    float             HoverDelayShort;
    float             HoverDelayNormal;
    ImGuiHoveredFlags HoverFlagsForTooltipMouse;
    ImGuiHoveredFlags HoverFlagsForTooltipNav;
    
    // [Internal]
    float       _MainScale;
    float       _NextFrameFontSizeBase;
};
```

## Font Fields

<ResponseField name="FontSizeBase" type="float" default="13.0f">
  Current base font size before external global factors are applied. Use `PushFont(NULL, size)` to modify.
</ResponseField>

<ResponseField name="FontScaleMain" type="float" default="1.0f">
  Main global scale factor. May be set by application once, or exposed to end-user.
</ResponseField>

<ResponseField name="FontScaleDpi" type="float" default="1.0f">
  Additional global scale factor from viewport/monitor DPI. In docking branch: automatically overwritten when changing monitor DPI if `io.ConfigDpiScaleFonts` is enabled.
</ResponseField>

## Alpha Fields

<ResponseField name="Alpha" type="float" default="1.0f">
  Global alpha applies to everything in Dear ImGui. Range: 0.0f to 1.0f.
</ResponseField>

<ResponseField name="DisabledAlpha" type="float" default="0.6f">
  Additional alpha multiplier applied by `BeginDisabled()`. Multiply over current value of Alpha.
</ResponseField>

## Window Fields

<ResponseField name="WindowPadding" type="ImVec2" default="(8, 8)">
  Padding within a window.
</ResponseField>

<ResponseField name="WindowRounding" type="float" default="0.0f">
  Radius of window corners rounding. Set to 0.0f to have rectangular windows. Large values tend to lead to artifacts.
</ResponseField>

<ResponseField name="WindowBorderSize" type="float" default="1.0f">
  Thickness of border around windows. Generally set to 0.0f or 1.0f.
</ResponseField>

<ResponseField name="WindowBorderHoverPadding" type="float" default="3.0f">
  Hit-testing extent outside/inside resizing border. Extend determination of hovered window.
</ResponseField>

<ResponseField name="WindowMinSize" type="ImVec2" default="(32, 32)">
  Minimum window size. This is a global setting. Use `SetNextWindowSizeConstraints()` for per-window constraints.
</ResponseField>

<ResponseField name="WindowTitleAlign" type="ImVec2" default="(0.0, 0.5)">
  Alignment for title bar text. Defaults to left-aligned, vertically centered.
</ResponseField>

<ResponseField name="WindowMenuButtonPosition" type="ImGuiDir" default="ImGuiDir_Left">
  Side of the collapsing/docking button in the title bar (None/Left/Right).
</ResponseField>

## Frame Fields

<ResponseField name="FramePadding" type="ImVec2" default="(4, 3)">
  Padding within a framed rectangle (used by most widgets).
</ResponseField>

<ResponseField name="FrameRounding" type="float" default="0.0f">
  Radius of frame corners rounding. Set to 0.0f to have rectangular frames.
</ResponseField>

<ResponseField name="FrameBorderSize" type="float" default="0.0f">
  Thickness of border around frames. Generally set to 0.0f or 1.0f.
</ResponseField>

## Spacing Fields

<ResponseField name="ItemSpacing" type="ImVec2" default="(8, 4)">
  Horizontal and vertical spacing between widgets/lines.
</ResponseField>

<ResponseField name="ItemInnerSpacing" type="ImVec2" default="(4, 4)">
  Horizontal and vertical spacing between within elements of a composed widget (e.g. a slider and its label).
</ResponseField>

<ResponseField name="CellPadding" type="ImVec2" default="(4, 2)">
  Padding within a table cell. CellPadding.x is locked for entire table. CellPadding.y may be altered between rows.
</ResponseField>

<ResponseField name="TouchExtraPadding" type="ImVec2" default="(0, 0)">
  Expand reactive bounding box for touch-based systems where touch position is not accurate enough.
</ResponseField>

<ResponseField name="IndentSpacing" type="float" default="21.0f">
  Horizontal indentation when entering a tree node. Generally equals `(FontSize + FramePadding.x*2)`.
</ResponseField>

<ResponseField name="ColumnsMinSpacing" type="float" default="6.0f">
  Minimum horizontal spacing between two columns. Preferably > `(FramePadding.x + 1)`.
</ResponseField>

## Scrollbar Fields

<ResponseField name="ScrollbarSize" type="float" default="14.0f">
  Width of the vertical scrollbar, Height of the horizontal scrollbar.
</ResponseField>

<ResponseField name="ScrollbarRounding" type="float" default="9.0f">
  Radius of grab corners for scrollbar.
</ResponseField>

<ResponseField name="ScrollbarPadding" type="float" default="2.0f">
  Padding of scrollbar grab within its frame (same for both axes).
</ResponseField>

## Grab & Slider Fields

<ResponseField name="GrabMinSize" type="float" default="12.0f">
  Minimum width/height of a grab box for slider/scrollbar.
</ResponseField>

<ResponseField name="GrabRounding" type="float" default="0.0f">
  Radius of grabs corners rounding. Set to 0.0f to have rectangular slider grabs.
</ResponseField>

<ResponseField name="LogSliderDeadzone" type="float" default="4.0f">
  The size in pixels of the dead-zone around zero on logarithmic sliders that cross zero.
</ResponseField>

## Tab Fields

<ResponseField name="TabRounding" type="float" default="4.0f">
  Radius of upper corners of a tab. Set to 0.0f to have rectangular tabs.
</ResponseField>

<ResponseField name="TabBorderSize" type="float" default="0.0f">
  Thickness of border around tabs.
</ResponseField>

<ResponseField name="TabMinWidthBase" type="float" default="60.0f">
  Minimum tab width, to make tabs larger than their contents. Tab bar buttons are not affected.
</ResponseField>

<ResponseField name="TabMinWidthShrink" type="float" default="40.0f">
  Minimum tab width after shrinking, when using `ImGuiTabBarFlags_FittingPolicyMixed` policy.
</ResponseField>

<ResponseField name="TabBarBorderSize" type="float" default="1.0f">
  Thickness of tab-bar separator, which takes on the tab active color to denote focus.
</ResponseField>

<ResponseField name="TabBarOverlineSize" type="float" default="2.0f">
  Thickness of tab-bar overline, which highlights the selected tab.
</ResponseField>

## Behavior Fields

<ResponseField name="HoverStationaryDelay" type="float" default="0.15f">
  Delay for `IsItemHovered(ImGuiHoveredFlags_Stationary)`. Time required to consider mouse stationary.
</ResponseField>

<ResponseField name="HoverDelayShort" type="float" default="0.15f">
  Delay for `IsItemHovered(ImGuiHoveredFlags_DelayShort)`.
</ResponseField>

<ResponseField name="HoverDelayNormal" type="float" default="0.40f">
  Delay for `IsItemHovered(ImGuiHoveredFlags_DelayNormal)`.
</ResponseField>

<ResponseField name="HoverFlagsForTooltipMouse" type="ImGuiHoveredFlags" default="ImGuiHoveredFlags_Stationary | ImGuiHoveredFlags_DelayShort">
  Default flags when using `IsItemHovered(ImGuiHoveredFlags_ForTooltip)` or `BeginItemTooltip()` while using mouse.
</ResponseField>

<ResponseField name="HoverFlagsForTooltipNav" type="ImGuiHoveredFlags" default="ImGuiHoveredFlags_NoSharedDelay | ImGuiHoveredFlags_DelayNormal">
  Default flags when using `IsItemHovered(ImGuiHoveredFlags_ForTooltip)` or `BeginItemTooltip()` while using keyboard/gamepad.
</ResponseField>

## See Also

* [Style](/api/style) - Style functions and usage patterns
* [Colors](/api/colors) - Color styling