Buttons are sticked together in calendar section in mobile view

[YoshithaRathnayake]

Describe the bug
The today button and next, previous buttons are sticked together in calendar section in mobile view

To Reproduce
Steps to reproduce the behavior:

1. Go to 'sack-site'
2. Scroll down to 'calendar section'
3. See error

Expected behavior
Add a top or botttom margin to the today button and next, previous buttons

Screenshots

Are you working on it?
Yes

[YoshithaRathnayake]

Shall I work on this ?