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// Make Font Awesome available
add_action( 'wp_enqueue_scripts', 'enqueue_font_awesome' );
function enqueue_font_awesome() {
 
	wp_enqueue_style( 'font-awesome', '//use.fontawesome.com/releases/v5.2.0/css/all.css' );
 
}

// defaults
function ariana_pro_customizer_get_default_custom_icon() {
    return 'f004';
}

    /* Adding custom icons to the customizer */
    
    $wp_customize->add_section(
        'ariana_pro_custom_icons',
        array(
            'title' => __('Title Icon', 'ariana pro'),
            'priority'       => 90,
        )
    );
    
    $wp_customize->add_setting(
        'ariana_pro_custom_icon',
        array(
            'default' => ariana_pro_customizer_get_default_custom_icon(),
            )
    );

    $wp_customize->add_control(
        'ariana_pro_custom_icon',
        array(
            'description' => __('Enter the 4 digit code of the <a href="http://fontawesome.io/icons/" target="_blank">Font Awesome Icon</a> you would like to replace the &hearts; with.', 'ariana pro'),
            'label' => __('Enter Unicode', 'ariana pro'),
            'section' => 'ariana_pro_custom_icons',
        )
    );

}

$custom_icon = get_theme_mod('ariana_pro_custom_icon', ariana_pro_customizer_get_default_custom_icon() );

$css .= ( ariana_pro_customizer_get_default_custom_icon() !== $custom_icon ) ? sprintf( '
		
	.entry-title:before,
    .widget-title:before,
    .sidebar .featured-content .entry-title:before {
    	content: "\%1$s";
	}
		
		', $custom_icon ) : '';