Revert "add unique filter for testing mini-cal css"

This reverts commit eeaaa6d17165a3ab5f5d1cb6909ac08ad49f7d83.
Revert "Revert "add unique filter for testing mini-cal css""

This reverts commit 813ce67729106d9e90c9dedf6884f4c8a9c9a9db.
revert to make into branch
revert for new branch
add CSS selector and unique add_filter for custom grid.php