Assuming you are reading this answer in the future (December 2015 or later).
Starting from WordPress 4.4.0, The $class
argument was added. So:
edit_post_link( __('Edit'), '', '', 0, 'post-edit-link btn btn-default' );
Assuming you are reading this answer in the future (December 2015 or later).
Starting from WordPress 4.4.0, The $class
argument was added. So:
edit_post_link( __('Edit'), '', '', 0, 'post-edit-link btn btn-default' );