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

HTML

    
Show content


  
Hello World

CSS

 div+div {
    display: none;
 }

 div:hover +div {
   display: block;
 }

CodePen :hover on div show text in another div