$meta_boxes[] = array(
        'id'         => 'cat_pagebanner',
        'title'      => __( 'Page banner', 'mytheme' ),
        'taxonomies' => 'category',
        'context'    => 'normal',
        'priority'   => 'high',
        'fields' => array(
            // Banner content
            array(
                'name' => esc_html__( 'Banner content', 'mytheme' ),
                'desc' => esc_html__( 'This is the content that will display in the banner', 'mytheme' ),
                'id'   => "{$prefix}cat_banner_text",
                'type' => 'wysiwyg',
            ),
            // Banner background color
            array(
                'name'      => __( 'Background color', 'mytheme' ),
                'id'        => $prefix . 'cat_bg-color',
                'type'      => 'color',
                'js_options'=> array(
                'palettes' => array( '#F3C5C6', '#A2C7C5', '#F8D687', '#FFF', '#444' ),
                ),
            ),
            // Banner image = IMAGE ADVANCED - RECOMMENDED
            array(
                'name'             => esc_html__( 'Banner background image', 'mytheme' ),
                'id'               => "{$prefix}cat_banner_image",
                'type'             => 'image_advanced',

                // Delete image from Media Library when remove it from post meta?
                // Note: it might affect other posts if you use same image for multiple posts
                'force_delete'     => false,

                // Maximum image uploads
                'max_file_uploads' => 1,

                // Display the "Uploaded 1/2 files" status
                'max_status'       => false,
            ),
            // Banner background image position
            array(
                'name'            => esc_html__( 'Banner background image position', 'mytheme' ),
                'id'              => "{$prefix}cat_banner_bgpos",
                'type'            => 'select',
                // Array of 'value' => 'Label' pairs
                'options'         => array(
                    'left top'      => 'Left top',
                    'left center'   => 'Left center',
                    'left bottom'   => 'Left bottom',
                    'center top'    => 'Center top',
                    'center center' => 'Center center',
                    'center bottom' => 'Center bottom',
                    'right top'     => 'Right top',
                    'right center'  => 'Right center',
                    'right bottom'  => 'Right bottom',
                ),
                // Allow to select multiple value?
                'multiple'        => false,
                // Placeholder text
                'placeholder'     => esc_html__( 'Select a position', 'mytheme' ),
                // Display "Select All / None" button?
                'select_all_none' => false,
            ),
        )
    );