<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

<header>
<nav id='cssmenu'>
<div class="logo"><a href="http://zornet.ru/">ZORNET.RU </a></div>
<div id="head-mobile"></div>
<div class="button"></div>
<ul>
<li class='active'><a href='#'>ДОМОЙ</a></li>
<li><a href='#'>СКРИПТЫ</a></li>
<li><a href='#'>КОДЫ</a>
   <ul>
      <li><a href='#'>Категория 1</a>
         <ul>
            <li><a href='#'>Sub Product</a></li>
            <li><a href='#'>Sub Product</a></li>
         </ul>
      </li>
      <li><a href='#'>Product 2</a>
         <ul>
            <li><a href='#'>Sub Product</a></li>
            <li><a href='#'>Sub Product</a></li>
         </ul>
      </li>
   </ul>
</li>
<li><a href='#'>CSS</a></li>
<li><a href='#'>VIDEO</a></li>
<li><a href='#'>ДИЗАЙН</a></li>
<li><a href='#'>КОНТАКТЫ</a></li>
</ul>
</nav>
</header>

header{
position:relative;
width:100%;
background:#333;
}

.logo{
position:relative;
z-index:123;
padding:10px;
font:18px verdana;
color:#6DDB07;
float:left;
width:15%}

.logo a{
color:#6DDB07;
}

nav{
position:relative;
width:980px;
margin:0 auto;
}

#cssmenu,#cssmenu ul,#cssmenu ul li,#cssmenu ul li a,#cssmenu #head-mobile{
border:0;
list-style:none;
line-height:1;
display:block;
position:relative;
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
box-sizing:border-box}

#cssmenu:after,#cssmenu > ul:after{
content:'.';
display:block;
clear:both;
visibility:hidden;
line-height:0;
height:0}

#cssmenu #head-mobile{
display:none}

#cssmenu{
font-family:sans-serif;
background:#333}

#cssmenu > ul > li{
float:left}

#cssmenu > ul > li > a{
padding:17px;
font-size:12px;
letter-spacing:1px;
text-decoration:none;
color:#ddd;
font-weight:700;
}

#cssmenu > ul > li:hover > a,#cssmenu ul li.active a{
color:#fff}

#cssmenu > ul > li:hover,#cssmenu ul li.active:hover,#cssmenu ul li.active,#cssmenu ul li.has-sub.active:hover{
background:#448D00!important;
-webkit-transition:background .3s ease;
-ms-transition:background .3s ease;
transition:background .3s ease;
}

#cssmenu > ul > li.has-sub > a{
padding-right:30px}

#cssmenu > ul > li.has-sub > a:after{
position:absolute;
top:22px;
right:11px;
width:8px;
height:2px;
display:block;
background:#ddd;
content:''}

#cssmenu > ul > li.has-sub > a:before{
position:absolute;
top:19px;
right:14px;
display:block;
width:2px;
height:8px;
background:#ddd;
content:'';
-webkit-transition:all .25s ease;
-ms-transition:all .25s ease;
transition:all .25s ease}

#cssmenu > ul > li.has-sub:hover > a:before{
top:23px;
height:0}

#cssmenu ul ul{
position:absolute;
left:-9999px}

#cssmenu ul ul li{
height:0;
-webkit-transition:all .25s ease;
-ms-transition:all .25s ease;
background:#333;
transition:all .25s ease}

#cssmenu ul ul li:hover{
}

#cssmenu li:hover > ul{
left:auto}

#cssmenu li:hover > ul > li{
height:35px}

#cssmenu ul ul ul{
margin-left:100%;
top:0}

#cssmenu ul ul li a{
border-bottom:1px solid rgba(150,150,150,0.15);
padding:11px 15px;
width:170px;
font-size:12px;
text-decoration:none;
color:#ddd;
font-weight:400;
}

#cssmenu ul ul li:last-child > a,#cssmenu ul ul li.last-item > a{
border-bottom:0}

#cssmenu ul ul li:hover > a,#cssmenu ul ul li a:hover{
color:#fff}

#cssmenu ul ul li.has-sub > a:after{
position:absolute;
top:16px;
right:11px;
width:8px;
height:2px;
display:block;
background:#ddd;
content:''}

#cssmenu ul ul li.has-sub > a:before{
position:absolute;
top:13px;
right:14px;
display:block;
width:2px;
height:8px;
background:#ddd;
content:'';
-webkit-transition:all .25s ease;
-ms-transition:all .25s ease;
transition:all .25s ease}

#cssmenu ul ul > li.has-sub:hover > a:before{
top:17px;
height:0}

#cssmenu ul ul li.has-sub:hover,#cssmenu ul li.has-sub ul li.has-sub ul li:hover{
background:#363636;
}

#cssmenu ul ul ul li.active a{
border-left:1px solid #333}

#cssmenu > ul > li.has-sub > ul > li.active > a,#cssmenu > ul ul > li.has-sub > ul > li.active> a{
border-top:1px solid #333}

@media screen and (max-width:1000px){
.logo{
position:absolute;
top:0;
left: 0;
width:100%;
height:46px;
text-align:center;
padding:10px 0 0 0;
float:none}

.logo2{
display:none}

nav{
width:100%;
}

#cssmenu{
width:100%}

#cssmenu ul{
width:100%;
display:none}

#cssmenu ul li{
width:100%;
border-top:1px solid #444}

#cssmenu ul li:hover{
background:#363636;
}

#cssmenu ul ul li,#cssmenu li:hover > ul > li{
height:auto}

#cssmenu ul li a,#cssmenu ul ul li a{
width:100%;
border-bottom:0}

#cssmenu > ul > li{
float:none}

#cssmenu ul ul li a{
padding-left:25px}

#cssmenu ul ul li{
background:#333!important;
}

#cssmenu ul ul li:hover{
background:#363636!important}

#cssmenu ul ul ul li a{
padding-left:35px}

#cssmenu ul ul li a{
color:#ddd;
background:none}

#cssmenu ul ul li:hover > a,#cssmenu ul ul li.active > a{
color:#fff}

#cssmenu ul ul,#cssmenu ul ul ul{
position:relative;
left:0;
width:100%;
margin:0;
text-align:left}

#cssmenu > ul > li.has-sub > a:after,#cssmenu > ul > li.has-sub > a:before,#cssmenu ul ul > li.has-sub > a:after,#cssmenu ul ul > li.has-sub > a:before{
display:none}

#cssmenu #head-mobile{
display:block;
padding:23px;
color:#ddd;
font-size:12px;
font-weight:700}

.button{
width:55px;
height:46px;
position:absolute;
right:0;
top:0;
cursor:pointer;
z-index: 12399994;
}

.button:after{
position:absolute;
top:22px;
right:20px;
display:block;
height:4px;
width:20px;
border-top:2px solid #dddddd;
border-bottom:2px solid #dddddd;
content:''}

.button:before{
-webkit-transition:all .3s ease;
-ms-transition:all .3s ease;
transition:all .3s ease;
position:absolute;
top:16px;
right:20px;
display:block;
height:2px;
width:20px;
background:#ddd;
content:''}

.button.menu-opened:after{
-webkit-transition:all .3s ease;
-ms-transition:all .3s ease;
transition:all .3s ease;
top:23px;
border:0;
height:2px;
width:19px;
background:#fff;
-webkit-transform:rotate(45deg);
-moz-transform:rotate(45deg);
-ms-transform:rotate(45deg);
-o-transform:rotate(45deg);
transform:rotate(45deg)}

.button.menu-opened:before{
top:23px;
background:#fff;
width:19px;
-webkit-transform:rotate(-45deg);
-moz-transform:rotate(-45deg);
-ms-transform:rotate(-45deg);
-o-transform:rotate(-45deg);
transform:rotate(-45deg)}

#cssmenu .submenu-button{
position:absolute;
z-index:99;
right:0;
top:0;
display:block;
border-left:1px solid #444;
height:46px;
width:46px;
cursor:pointer}

#cssmenu .submenu-button.submenu-opened{
background:#262626}

#cssmenu ul ul .submenu-button{
height:34px;
width:34px}

#cssmenu .submenu-button:after{
position:absolute;
top:22px;
right:19px;
width:8px;
height:2px;
display:block;
background:#ddd;
content:''}

#cssmenu ul ul .submenu-button:after{
top:15px;
right:13px}

#cssmenu .submenu-button.submenu-opened:after{
background:#fff}

#cssmenu .submenu-button:before{
position:absolute;
top:19px;
right:22px;
display:block;
width:2px;
height:8px;
background:#ddd;
content:''}

#cssmenu ul ul .submenu-button:before{
top:12px;
right:16px}

#cssmenu .submenu-button.submenu-opened:before{
display:none}

#cssmenu ul ul ul li.active a{
border-left:none}

#cssmenu > ul > li.has-sub > ul > li.active > a,#cssmenu > ul ul > li.has-sub > ul > li.active > a{
border-top:none}

}

(function($) {
$.fn.menumaker = function(options) {  
var cssmenu = $(this), settings = $.extend({
   format: "dropdown",
   sticky: false
}, options);
return this.each(function() {
   $(this).find(".button").on('click', function(){
     $(this).toggleClass('menu-opened');
     var mainmenu = $(this).next('ul');
     if (mainmenu.hasClass('open')) {
       mainmenu.slideToggle().removeClass('open');
     }
     else {
       mainmenu.slideToggle().addClass('open');
       if (settings.format === "dropdown") {
         mainmenu.find('ul').show();
       }
     }
   });
   cssmenu.find('li ul').parent().addClass('has-sub');
multiTg = function() {
     cssmenu.find(".has-sub").prepend('<span class="submenu-button"></span>');
     cssmenu.find('.submenu-button').on('click', function() {
       $(this).toggleClass('submenu-opened');
       if ($(this).siblings('ul').hasClass('open')) {
         $(this).siblings('ul').removeClass('open').slideToggle();
       }
       else {
         $(this).siblings('ul').addClass('open').slideToggle();
       }
     });
   };
   if (settings.format === 'multitoggle') multiTg();
   else cssmenu.addClass('dropdown');
   if (settings.sticky === true) cssmenu.css('position', 'fixed');
resizeFix = function() {
  var mediasize = 1000;
     if ($( window ).width() > mediasize) {
       cssmenu.find('ul').show();
     }
     if ($(window).width() <= mediasize) {
       cssmenu.find('ul').hide().removeClass('open');
     }
   };
   resizeFix();
   return $(window).on('resize', resizeFix);
});
  };
})(jQuery);

(function($){
$(document).ready(function(){
$("#cssmenu").menumaker({
   format: "multitoggle"
});
});
})(jQuery);