11

by Nevear

HTML

<details class="mob_men">
  <summary>Menu</summary>
  nnnnn
 <ul>
  <li>2</li>
 <li>3</li>
 </ul>
 
  <a>hfh</a>
 </details>

CSS

summary::-webkit-details-marker {
  display: none;
}

summary:focus {
  outline-style: none;
}

details ul {

  color:red;
right:40%;
}
details {
 width:400px;

}

details[open] {
    color: blue;
}

JavaScript

$('a').click(function (event) {
    $('details').not(this).removeAttr("open");  
});