Theme option part 3

<?php
/**
 * Kalponik oronno
 *
 *
 */

if ( ! function_exists( 'seo_google_fonts' ) ) :
/**
 * Register Google fonts.
 *
 * @return string Google fonts URL for the theme.
 */
function seo_google_fonts() {
    $fonts_url = '';
    $fonts     = array();
    $body_font_varient = cs_get_option('body_font_varient');
    $body_font_varient_process = implode(',', $body_font_varient);
    $body_subsets   = ':'.$body_font_varient_process.'';


    $heading_font_varient = cs_get_option('heading_font_varient');
    $heading_font_varient_process = implode(',', $heading_font_varient);
    $heading_subsets   = ':'.$heading_font_varient_process.'';


    $body_font = cs_get_option('body_font')['family'];
    $body_font .= $body_subsets;

    $heading_font = cs_get_option('heading_font')['family'];
    $heading_font .=  $heading_subsets;

    /* translators: If there are characters in your language that are not supported by this font, translate this to 'off'. Do not translate into your own language. */
    if ( 'off' !== esc_html_x( 'on', 'Karla font: on or off', 'textdomain' ) ) {
        $fonts[] = $body_font;
    }

    /* translators: If there are characters in your language that are not supported by this font, translate this to 'off'. Do not translate into your own language. */
    if ( 'off' !== esc_html_x( 'on', 'Lato font: on or off', 'textdomain' ) ) {
        $fonts[] = $heading_font;
    }

    if ( $fonts ) {
        $fonts_url = add_query_arg( array(
            'family' => urlencode( implode( '|', $fonts ) ),
        ), 'https://fonts.googleapis.com/css' );

    }

    return $fonts_url;
}
endif;


/**
 * Enqueue scripts and styles.
 */
function seo_google_fonts_prefix() {

    // Add custom fonts, used in the main stylesheet.
    wp_enqueue_style( 'seo_google-fonts', seo_google_fonts(), array(), null );
}
add_action( 'wp_enqueue_scripts', 'seo_google_fonts_prefix' );


// add inline stylesheet

function seo_custom_css() {
    wp_enqueue_style(
        'seo_custom_style',
        get_template_directory_uri() . '/assets/css/custom_style.css'
    );
        $body_font = cs_get_option('body_font')['family'];
        $body_font_varient = cs_get_option('body_font')['variant'];
        $heading_font = cs_get_option('heading_font')['family'];
        $heading_font_varient = cs_get_option('heading_font')['family'];

        $enable_boxed_layout = cs_get_option('enable_boxed_layout');
        $body_bg_color = cs_get_option('body_bg_color');
        $body_bg = cs_get_option('body_bg');
        $body_bg_image_array = wp_get_attachment_image_src($body_bg, 'large', false);
        $body_bg_repeat = cs_get_option('body_bg_repeat');
        $body_bg_attachment = cs_get_option('body_bg_attachment');


        $custom_css = '
        body {font-family:'.$body_font.'; font-weight:'.$body_font_varient.'}
        h1,h2,h3,h4,h5,h6{font-family: '.$heading_font.';font-weight:'.$heading_font_varient.'}
        ';
        if($enable_boxed_layout == true){

        if(!empty($body_bg_color)){
            $custom_css .='
                body{background-color:'.$body_bg_color.'}
            ';
        }
        if(!empty($body_bg)){
            $custom_css .='
                body{background-image:url:('.$body_bg_image_array[0].')}
            ';
        }
        if(!empty($body_bg_repeat)){
            $custom_css .='
                body{background-repeat:'.$body_bg_repeat.'}
            ';
        }
        if(!empty($body_bg_attachment)){
            $custom_css .='
                body{background-attachment:'.$body_bg_attachment.'}
            ';
        }

        }

        wp_add_inline_style( 'seo_custom_style', $custom_css );
}
add_action( 'wp_enqueue_scripts', 'seo_custom_css' );