Flow.Launcher/Flow.Launcher/Themes/Light.xaml

<ResourceDictionary  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="pack://application:,,,/Themes/Base.xaml"></ResourceDictionary>
    </ResourceDictionary.MergedDictionaries>
    <Style x:Key="ItemGlyph"  BasedOn="{StaticResource BaseGlyphStyle}" TargetType="{x:Type TextBlock}">
        <Setter Property="Foreground" Value="#000000" />
    </Style>
    <Style x:Key="QueryBoxStyle" BasedOn="{StaticResource BaseQueryBoxStyle}" TargetType="{x:Type TextBox}">
        <Setter Property="Background" Value="White "/>
        <Setter Property="Foreground" Value="#000000" />
        <Setter Property="FontSize" Value="22" />
    </Style>

    <Style x:Key="QuerySuggestionBoxStyle" BasedOn="{StaticResource BaseQuerySuggestionBoxStyle}" TargetType="{x:Type TextBox}">
        <Setter Property="Background" Value="White"/>
        <Setter Property="Foreground" Value="#d9d9d9" />
        <Setter Property="FontSize" Value="22" />
    </Style>

    <Style x:Key="WindowBorderStyle" BasedOn="{StaticResource BaseWindowBorderStyle}" TargetType="{x:Type Border}">
        <Setter Property="BorderBrush" Value="LightGray" />
        <Setter Property="BorderThickness" Value="1"></Setter>
        <Setter Property="Background" Value="White"></Setter>
    </Style>
    <Style x:Key="WindowStyle" TargetType="{x:Type Window}" BasedOn="{StaticResource BaseWindowStyle}" >
    </Style>
    <Style x:Key="PendingLineStyle" BasedOn="{StaticResource BasePendingLineStyle}" TargetType="{x:Type Line}" >
    </Style>

    <!-- Item Style -->
    <Style x:Key="ItemTitleStyle" BasedOn="{StaticResource BaseItemTitleStyle}" TargetType="{x:Type TextBlock}" >
        <Setter Property="Foreground" Value="#000000"></Setter>
    </Style>
    <Style x:Key="ItemSubTitleStyle" BasedOn="{StaticResource BaseItemSubTitleStyle}" TargetType="{x:Type TextBlock}" >
        <Setter Property="Foreground"  Value="#A8A8A8"></Setter>
    </Style>
    <Style x:Key="ItemTitleSelectedStyle" BasedOn="{StaticResource BaseItemTitleSelectedStyle}" TargetType="{x:Type TextBlock}">
        <Setter Property="Foreground" Value="#000000" />
    </Style>
    <Style x:Key="ItemSubTitleSelectedStyle" BasedOn="{StaticResource BaseItemSubTitleSelectedStyle}" TargetType="{x:Type TextBlock}">
        <Setter Property="Foreground" Value="#818181" />
    </Style>
    <SolidColorBrush x:Key="ItemSelectedBackgroundColor">#d9d9d9</SolidColorBrush>

    <!-- button style in the middle of the scrollbar -->
    <Style x:Key="ThumbStyle" BasedOn="{StaticResource BaseThumbStyle}" TargetType="{x:Type Thumb}">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Thumb}">
                    <Border CornerRadius="2" DockPanel.Dock="Right" Background="#C3C3C3" BorderBrush="Transparent" BorderThickness="0" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="ScrollBarStyle" BasedOn="{StaticResource BaseScrollBarStyle}" TargetType="{x:Type ScrollBar}">
    </Style>
    <Style x:Key="SearchIconStyle" TargetType="{x:Type Path}" BasedOn="{StaticResource BaseSearchIconStyle}">
        <Setter Property="Fill" Value="#d9d9d9" />
        <Setter Property="Width" Value="32" />
        <Setter Property="Height" Value="32" />
    </Style>
    <Style x:Key="ItemHotkeyStyle" TargetType="{x:Type TextBlock}">
        <Setter Property="FontSize" Value="15" />
        <Setter Property="Foreground" Value="#a3a3a3" />
    </Style>
    <Style x:Key="ItemHotkeySelectedStyle" TargetType="{x:Type TextBlock}">
        <Setter Property="FontSize" Value="15" />
        <Setter Property="Foreground" Value="#a3a3a3" />
    </Style>
</ResourceDictionary>