Question:
CSS event
Product:
[Wix Studio Editor]
What are you trying to achieve:
using horizontal-menue, trying to give a behavioure when clicking menu item, so the label should become bold and a small dot should appears, within the label
What have you already tried:
tried to use 
.menu-item.clicked {
font-weight: bold;
}
doesnt work
Additional information:
[Include any other pertinent details or information that might be helpful for people to know when trying to answer your question.]