Simple CSS styling

Hi,
I´d like to do some styling to one of my pages:
1. Hide the title shown in here and close the gap between the slider and the list of events https://prnt.sc/mhb59p
2. Apply title theme styling to Event Calendar title styling.
Event Calendar https://prnt.sc/mhb5p2
Theme style https://prnt.sc/mhb5xb
3. Apply theme styling to Event Calendar month header:
Event Calendar https://prnt.sc/mhb67j
Theme style https://prnt.sc/mhb6gc
4. Make date info grey like the text above http://prntscr.com/mhbbig