title: jQuery Slider - full width - opening itself from the midddle
body: <p>I have to do that :</p>
  
  <p><img src="https://i.stack.imgur.com/7E5ez.jpg" alt="enter image description here"></p>
  
  <p>How would you do it ? Would you use a jQuery plugin ?</p>
  
  <p>Thank you very much</p>