This SectionAbout is hidden behind SectionService , to modify it you need too set SectionService display : None. After that SectionAbout should be clickable. Don't forget to return SectionService Display : Block if you have finished.
Work Section
This Slider1 is covering other Slider Class, to modify it you need too set Slider1 display : None. After that Slider2 should be clickable. Repeat the same process for Slider3. After you finished editing return display : Flex
Insight Section
This SectionInsight is covered by Project Block Class, to modify it you need too set Project Block display : None. After that SectionInsight should be clickable. After you finished editing return Project Block display : Flex