Hi!
Is there a way to remove bottom navigation bar ( <<-- previous activity next activity --> and add a link to go back to main course page?
A quick search of these forums would have given you the answer as it comes up fairly often:
You can hide them with CSS. Most themes have the ability to add custom CSS - in Boost, go to 'Advanced settings' and add this to the 'Raw SCSS' box...
.jump-to-activity {display: none;}If you use another theme, let us know what it is and which version of Moodle you’re using.
.activity-navigation {display: none;}