PDFOffice_Windows_exe/PDF Office/Styles/CustomListItemStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:customControl="clr-namespace:PDF_Office.CustomControl"
                    >

    <Style x:Key="FocusVisual">
        <Setter Property="Control.Template">
            <Setter.Value>
                <ControlTemplate>
                    <Rectangle Margin="0"
                                   SnapsToDevicePixels="true"
                                   Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"
                                   StrokeDashArray="1 2"
                                   StrokeThickness="0" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <!--  set SelectedBackgroundColor to Transparent when you do not need the background in selected items  -->
    <Color x:Key="SelectedBackgroundColor">LightBlue</Color>
    <Color x:Key="SelectedUnfocusedColor">AliceBlue</Color>

    <!--  set the MouseOverColor to Transparent when you do not need the effect in the unselected items  -->
    <Color x:Key="MouseOverColor">LightBlue</Color>
    <SolidColorBrush x:Key="Item.MouseOver.Background"
                         Color="LightBlue" />
    <SolidColorBrush x:Key="Item.MouseOver.Border"
                         Color="LightBlue" />
    <SolidColorBrush x:Key="Item.SelectedInactive.Background"
                         Color="AliceBlue" />
    <SolidColorBrush x:Key="Item.SelectedInactive.Border"
                         Color="AliceBlue" />
    <SolidColorBrush x:Key="Item.SelectedActive.Background"
                         Color="Beige" />
    <SolidColorBrush x:Key="Item.SelectedActive.Border"
                         Color="Beige" />
    <Style x:Key="ListBoxItemStyle"
               TargetType="{x:Type customControl:ListItemQuickTool}">
        <Setter Property="SnapsToDevicePixels"
                    Value="True" />
        <Setter Property="FocusVisualStyle"
                    Value="{x:Null}" />

        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type customControl:ListItemQuickTool}">
                    <Border x:Name="Border"
                                Margin="0,0,0,16"
                                BorderThickness="1" 
                                Background="Transparent"
                                SnapsToDevicePixels="true">
                        <Border.BorderBrush>
                            <SolidColorBrush Color="#000000" Opacity="0.05"/>
                        </Border.BorderBrush>
                        <ContentPresenter />
                    </Border>
                    <ControlTemplate.Triggers>

                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsOverModular"
                                               Value="True" />
                            </MultiTrigger.Conditions>
                            <Setter TargetName="Border"
                                        Property="Background"
                                        Value="{StaticResource Item.MouseOver.Background}" />
                            <Setter TargetName="Border"
                                        Property="BorderBrush"
                                        Value="{StaticResource Item.MouseOver.Border}" />
                        </MultiTrigger>

                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers />
    </Style>

    <Style x:Key="MoreListBoxItemStyle"
               TargetType="{x:Type customControl:ListItemQuickTool}">
        <Setter Property="SnapsToDevicePixels"
                    Value="True" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type customControl:ListItemQuickTool}">
                    <Border x:Name="Border" CornerRadius="4" Margin="0,0,0,16" BorderThickness="1" 
                                Background="Transparent"
                                SnapsToDevicePixels="False">
                        <Border.BorderBrush>
                            <SolidColorBrush Color="#000000" Opacity="0.05"/>
                        </Border.BorderBrush>
                        <ContentPresenter />
                    </Border>
                    <ControlTemplate.Triggers>
                        <MultiTrigger>
                            <MultiTrigger.Conditions>
                                <Condition Property="IsSelected"
                                               Value="true" />
                            </MultiTrigger.Conditions>
                            <MultiTrigger.Setters>
                                <Setter TargetName="Border"
                                            Property="Background"
                                            Value="LightGoldenrodYellow" />
                            </MultiTrigger.Setters>
                        </MultiTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>