How will i make a Dropdown menu and a slideshow under it

Question

The drop-down list gets hidden by the slideshow

Answer 1

https://stackoverflow.com/questions/25807364/dropdown-menu-hiding-behind-slideshow#25807609

Answer 2

Try this: https://www.w3schools.com/howto/howto_css_dropdown.asp -> For me it worked... Now I know how to do it. :-D