<button type="button" aria-haspopup="true" class="components-button block-editor-inserter__toggle has-icon superb-addons-gutenberg-library-button-appender" aria-label="<?php echo esc_attr__("Add Design", "superb-blocks"); ?>" title="<?php echo esc_attr__("Add Design", "superb-blocks"); ?>">
    <img src="<?php echo esc_url(SUPERBADDONS_ASSETS_PATH . '/img/icon-superb.svg'); ?>">
</button>