Times showing that are not possible on my calendar.

Since the last update, the CSS code given to me by your support team to not-show-times-that-are-not-possible has stopped working and I have too many time slots displaying.

The code looks like this and is placed in the "Additional css code" section:

.entry-content td{border:none;width:50%}

.app_timetable .notpossible {display: none !important;}