Using only CSS, show div on hover over

Question

I would like to show a div when someone hovers over an element, but I would like to do this in CSS and not JavaScript. Do you know how this can be ach

Answer 1

For me, if I want to interact with the hidden div without seeing it disappear each time I leave the triggering element (a in that case) I must add:

div:hover {
    display: block;
}