App.xaml

<Application
    x:Class="MinecraftServerDownloader.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:MinecraftServerDownloader"
    StartupUri="MainWindow.xaml">
    <Application.Resources>
        <Style TargetType="ListBox">
            <Setter Property="BorderThickness" Value="0,0,1,0" />
        </Style>
        <Style TargetType="TextBlock">
            <Setter Property="Margin" Value="0 5"/>
        </Style>
        <Style TargetType="Button">
            <Setter Property="Margin" Value="5"/>
            <Setter Property="Padding" Value="10"/>
            <Setter Property="FontSize" Value="18"/>
            <Setter Property="Background" Value="White"/>
            <Setter Property="Foreground" Value="Black"/>
            <Setter Property="BorderBrush" Value="Black"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="5">
                            <ContentPresenter HorizontalAlignment="Center"
                                              VerticalAlignment="Center"/>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter Property="Background" Value="#F0F0F0"/>
                            </Trigger>
                            <Trigger Property="IsPressed" Value="True">
                                <Setter Property="Background" Value="#D0D0D0"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style TargetType="ListBoxItem">
            <Setter Property="Padding" Value="10"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ListBoxItem">
                        <Border Background="{TemplateBinding Background}"
                                BorderBrush="{TemplateBinding BorderBrush}"
                                BorderThickness="{TemplateBinding BorderThickness}"
                                CornerRadius="5">
                            <ContentPresenter/>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsSelected" Value="True">
                                <Setter Property="Background" Value="#E0E0E0"/>
                                <Setter Property="Foreground" Value="Black"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter Property="Background" Value="#F0F0F0"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Application.Resources>
</Application>