title: Why I can’t see the elements in the webpage?
body: <p>Here a picture of the problem :<br>
  <img src="https://i.stack.imgur.com/kyAcx.jpg" alt="enter image description here"></p>
  
  <p>What I have checked : They have a size and a css and I tried to to use firefox 3D to see if there were any element on them.</p>
  
  <p>(To produce the bug, you have to click on the green button)
  <a href="http://goldiman3.alwaysdata.net/#" rel="nofollow noreferrer">http://goldiman3.alwaysdata.net/#</a></p>
  
  <p>Thank you
  Goldiman</p>