ComboBoxStyles.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style TargetType="{x:Type ComboBoxItem}">
        <Setter Property="FontSize" Value="16"/>
        <Setter Property="Height" Value="30"/>
        <Setter Property="Padding" Value="5"/>
        <Setter Property="VerticalAlignment" Value="Center"/>
        <Setter Property="FontFamily" Value="Jetbrains Mono"/>
        <Setter Property="BorderThickness" Value="0"/>
        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextColor}"/>
        <Setter Property="Background" Value="{DynamicResource SecondaryBackground}"/>
    </Style>
    <Style x:Key="FormComboBox" TargetType="{x:Type ComboBox}">
        <!--<Setter Property="BorderThickness" Value="0"/>-->
        <Setter Property="Height" Value="40"/>
        <Setter Property="FontSize" Value="16"/>
        <Setter Property="FontFamily" Value="Jetbrains Mono"/>
        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextColor}"/>
        <Setter Property="Background" Value="{DynamicResource SecondaryBackground}"/>
    </Style>
</ResourceDictionary>