How to set start of web under fixed navigation in html

Question

I have navigation and one page scroll web and when I click on home (my first button in navigation) it put me at start of home but it's under first navigation menu so how can I set it to put me under the navigation. And sorry for my English I'm to czech

Answer 1

Maru and where I have to put z index to header or body or nav, ul,li...

Answer 2

i doesn't understand very well but maybe you need
z-index attributes in CSS. set z-index:9999; and position absolute on one of your navigation menu.