App.xaml

<?xml version="1.0" encoding="utf-8" ?>
<Application xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:m="clr-namespace:School_Project.Management"
             x:Class="School_Project.App">
    <Application.Resources>
        <ResourceDictionary>
            <Style TargetType="Label">
                <Setter Property="TextColor" Value="{x:Static m:ColorManager.TextColor}"/>
                <Setter Property="FontSize" Value="{x:Static m:Settings.FontSize}"/>
            </Style>
            <Style TargetType="ContentView">
                <Setter Property="BackgroundColor" Value="{x:Static m:ColorManager.BackgroundColor}"/>
            </Style>
            <Style TargetType="Frame">
                <Setter Property="BackgroundColor" Value="{x:Static m:ColorManager.BackgroundColor}"/>
                <Setter Property="CornerRadius" Value="{x:Static m:Settings.CornerRadius}"/>
                <Setter Property="Padding" Value="{x:Static m:Settings.Padding}"/>
            </Style>
            <Style TargetType="StackLayout">
                <Setter Property="Spacing" Value="{x:Static m:Settings.Spacing}"/>
            </Style>
            <Style TargetType="ContentPage">
                <Setter Property="Padding" Value="{x:Static m:Settings.Padding}"/>
                <Setter Property="BackgroundColor" Value="{x:Static m:ColorManager.BackgroundColor}"/>
            </Style>
        </ResourceDictionary>
    </Application.Resources>
</Application>