Colors.XAML

<Color x:Key="Primary">#0b5ed7</Color>
            <Color x:Key="GridBackground">#4F000000</Color>
            <Color x:Key="NexenColor">#9d1c9d</Color>
            <Color x:Key="SomaDarkDark">#22272e</Color>
            <Color x:Key="SomaDarkLight">#434c57</Color>

            <Color x:Key="GithubDark">#24292f</Color>
            <Color x:Key="GithubLight">#f6f8fa</Color>
            <Color x:Key="GithubRed">#cf222e</Color>
            <Color x:Key="GithubGreen">#2da44e</Color>

            <Color x:Key="BootstrapWarningBg">#ffc107</Color>

            <Style x:Key="GreenButton" TargetType="Button">
                <Setter Property="BackgroundColor" Value="#2da44e"/>
                <Setter Property="BorderColor" Value="#2a9047"/>
                <Setter Property="TextColor" Value="white"/>
                <Setter Property="BorderWidth" Value="2"/>
                <Setter Property="CornerRadius" Value="7"/>
            </Style>

            <Style x:Key="BlueButton" TargetType="Button">
                <Setter Property="BackgroundColor" Value="{StaticResource Primary}"/>
                <Setter Property="BorderColor" Value="#0a58ca"/>
                <Setter Property="TextColor" Value="white"/>
                <Setter Property="BorderWidth" Value="2"/>
                <Setter Property="CornerRadius" Value="7"/>
            </Style>

            <Style x:Key="GreenImageButton" TargetType="ImageButton">
                <Setter Property="BackgroundColor" Value="#2da44e"/>
                <Setter Property="BorderColor" Value="#2a9047"/>
                <Setter Property="BorderWidth" Value="2"/>
                <Setter Property="CornerRadius" Value="7"/>
            </Style>

            <Style x:Key="DarkButtonGithub" TargetType="Button">
                <Setter Property="BackgroundColor" Value="#373e47"/>
                <Setter Property="BorderColor" Value="#464e58"/>
                <Setter Property="TextColor" Value="white"/>
                <Setter Property="BorderWidth" Value="2"/>
                <Setter Property="CornerRadius" Value="7"/>
            </Style>