Why does my website jump to the top menu when I click on the bottom menu?

Question

css

Why does my website jump to the top menu when I click on the bottom menu? Here the site has already tried everything ... I was recently told how to do codepen.io/anon/pen/pjZpQY everything works here. I don't understand why it doesn't work for me...

Answer 1

because first you learn the materiel, and then climb into the toasters
, click on the link - that's what throws you upstairs.
if you don't want it, do preventDefault() on click. to the link