<!-- <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
    <script src="javascript/menu-sticky.js"></script> -->

<label for="menu"> <!-- menu burger -->
                <i class="icon-burger"></i> 
            </label>
            <input type="checkbox" id="menu">
        <nav id="navigation"> <!-- navigation general -->
          <ul>
            <li><a href="#">MENU 1</a></li>
<li><a href="#">MENU 2</a></li>
<li><a href="#">MENU 3</a></li>
            <li><a href="#">MENU 4</a></li>
          </ul>
        </nav>
        <nav id="menu-responsive"> <!-- navigation pour le responsive -->
          <ul>
            <li><a href="#">MENU 1</a></li>
<li><a href="#">MENU 2</a></li>
<li><a href="#">MENU 3</a></li>
            <li><a href="#">MENU 4</a></li>

          </ul>
        </nav>
/* navigation general en sticky */
#navigation {
  z-index: 1000;
  width: 100%;
  height: 50px;
  background: transparent;   
  text-align: center;
  line-height: 50px;}

#navigation ul {
  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
  background-color: seagreen;}

#navigation ul li a {
  height: inherit;
  padding: 0 15px;
  display: inline-block;
  transition: all 150ms ease;
  -webkit-transition: all 150ms ease;
  -moz-transition: all 150ms ease;
  -ms-transition: all 150ms ease;
  line-height: inherit;
  text-transform: uppercase;
  font-family: 'Open Sans';
  font-size: 16px;
  color: #332222;
  padding-top: 60px;}

#navigation li a i { font-size: 25px;} /* pour le picto accueil */

#navigation ul li a:hover {
  border-bottom: 1px solid #efeefe;
  color: #efeefe;}

#navigation.fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #889f94;}
#navigation.fixed ul { justify-content: center;
  -webkit-justify-content: center;
  -moz-justify-content: center;
  -ms-justify-content: center; }
#navigation.fixed a { padding-top: 0;}

/* menu burger responsive */
header label, header input, #menu-responsive { display: none;}

/* pour le responsive */
@media (max-width:320px) {
  /* menu*/
  .main {width: 100%;}
  #navigation { display: none; }
  header label { display: block; 
    cursor: pointer; 
    width: 45px; 
    height: 45px;}
  header label i { font-size: 35px; 
    color: #889f94; 
    padding: 10px; 
    position: fixed;
    z-index: 1000;}

  #menu:checked ~ #menu-responsive { display: block;}
$(document).ready(function () {
  var $nav = $('#navigation'),
      posTop = $nav.position().top;
  $(window).scroll(function () {
    var y = $(this).scrollTop();
    if (y > posTop) { $nav.addClass('fixed'); }
    else { $nav.removeClass('fixed'); }
  });
});

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