Submenu in Vertical menu change to show always

How To
1

Hello, how can i change menu to show always submenu on vertical menu?

2

Hi, wanted to do the same and solved it by adding this CSS to the menu element.

root li.menu-item-has-children {
  z-index: 0;
}
root .sub-menu {  
  position: relative;
  display: block;
  opacity: 1;
  visibility: visible;
  margin-bottom: 0.5em;
}