HTTPS/SSL Fix

if ( ! function_exists( 'alterna_get_styles' ) ) :
/**
 * Get theme style path
 */
function alterna_get_styles($type = 'theme'){
    $default_css;
    $uploads = wp_upload_dir();
    if($type == 'theme'){
        $default_css = get_template_directory_uri().'/css/alterna.css';
        if (file_exists($uploads['basedir'] . '/alterna/alterna-styles.css')) {
            $default_css = $uploads['baseurl'] . '/alterna/alterna-styles.css';
        }
    }else if($type == 'woocommerce'){
        $default_css = get_template_directory_uri().'/woocommerce/assets/css/woocommerce.css';
        if (file_exists($uploads['basedir'] . '/alterna/alterna-woocommerce.css')) {
            $default_css = $uploads['baseurl'] . '/alterna/alterna-woocommerce.css';
        }
    }

    if( !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443 ){
        $default_css = str_replace( 'http://', 'https://', $default_css );
    }

    return $default_css;
}
endif;