sourcegit/Resources/Styles/DataGrid.xaml

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

    <Style x:Key="Style.DataGridCell" TargetType="{x:Type DataGridCell}">
        <Setter Property="BorderThickness" Value="0"/>
    </Style>

    <Style x:Key="Style.DataGridRow" TargetType="{x:Type DataGridRow}">
        <Setter Property="BorderThickness" Value="0"/>
        
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter Property="Background" Value="{DynamicResource Brush.Accent2}"/>
            </Trigger>
        </Style.Triggers>
    </Style>
    
    <Style TargetType="{x:Type DataGrid}">
        <Style.Resources>
            <SolidColorBrush x:Key="{x:Static SystemColors.InactiveSelectionHighlightBrushKey}" Color="{x:Static SystemColors.HighlightColor}"/>
        </Style.Resources>
        
        <Setter Property="IsReadOnly" Value="True"/>
        <Setter Property="AutoGenerateColumns" Value="False"/>
        <Setter Property="CanUserAddRows" Value="False"/>
        <Setter Property="CanUserDeleteRows" Value="False"/>
        <Setter Property="CanUserResizeRows" Value="False"/>
        <Setter Property="CanUserReorderColumns" Value="False"/>
        <Setter Property="CanUserResizeColumns" Value="False" />
        <Setter Property="CanUserSortColumns" Value="False"/>
        <Setter Property="AllowDrop" Value="False"/>
        <Setter Property="BorderThickness" Value="0"/>
        <Setter Property="Background" Value="Transparent"/>
        <Setter Property="TextElement.Foreground" Value="{DynamicResource Brush.FG}"/>
        <Setter Property="TextElement.FontFamily" Value="Consolas"/>
        <Setter Property="EnableColumnVirtualization" Value="True"/>
        <Setter Property="EnableRowVirtualization" Value="True"/>
        <Setter Property="RowBackground" Value="Transparent"/>
        <Setter Property="HeadersVisibility" Value="None"/>
        <Setter Property="GridLinesVisibility" Value="None"/>
        <Setter Property="CellStyle" Value="{StaticResource Style.DataGridCell}"/>
        <Setter Property="RowStyle" Value="{StaticResource Style.DataGridRow}"/>
    </Style>
</ResourceDictionary>