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Hi, Long

Thx for your answer. Would you be so nice and give me an conde example of how I do it with the init hook or the get_option version ...

I'm still a little inexperienced with it... this would help me a lot.

Thx a lot.

Cheers,
Sash

Some Friends send me the code... The Problem is more, that Metabox works in a other way. Im new in the metabox community und buyed the Dev licence couple days ago. My Questions to you was, how we can do this with Metabox. Thx

add_action( 'wp_enqueue_scripts', 'custom_css' );
/**
 * Set custom CSS variables using values from ACF options page.
 */
function custom_css() {

    $primary_color = get_field( 'primary_color', 'option' );
    $secondary_color = get_field( 'secondary_color', 'option' );
    $light_gray = get_field( 'light_gray', 'option' );
    $main_dark = get_field( 'main_dark', 'option' );
    
    $custom_css = "
        :root {
            --primary-color: {$primary_color};
            --secondary-color: {$secondary_color};
            --light-gray: {$light_gray};
            --main-dark: {$main_dark};
        }";

    wp_add_inline_style( 'oxygen', $custom_css );

}