JohnCMSXin hướng dẫn add nav vào johncms

<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}
 
body {
  background: #F7F7F7;
  font-size: 15px;
  color: #777777;
  font-family: 'Roboto', sans-serif;
}
 
a { text-decoration: none; }
 
#main {
  width: 100%;
  display: block;
  float: left;
}
 
.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
 
.navigation {
  display: block;
  margin: 20px 0;
  background: #009788;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
  border-radius: 3px;
}
 
.navigation ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: block;
}
 
.navigation li {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: inline-block;
  position: relative;
  font-size: 17px;
  color: #def1f0;
}
 
.navigation li a {
  padding: 10px 15px;
  font-size: 17px;
  color: #def1f0;
  display: inline-block;
  outline: 0;
  font-weight: 400;
}
 
.navigation li:hover ul.dropdown { display: block; }
 
.navigation li ul.dropdown {
  position: absolute;
  display: none;
  width: 200px;
  background: #00695b;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
  padding-top: 0;
}
 
.navigation li ul.dropdown li {
  display: block;
  list-style-type: none;
}
 
.navigation li ul.dropdown li a {
  padding: 10px;
  font-size: 15px;
  color: #fff;
  display: block;
  border-bottom: 1px solid #005c4d;
  font-weight: 400;
}
 
.navigation li ul.dropdown li:last-child a { border-bottom: none; }
 
.navigation li:hover a {
  background: #00695b;
  color: #fff !important;
}
 
.navigation li:first-child:hover a { border-radius: 3px 0 0 3px; }
 
.navigation li ul.dropdown li:hover a { background: #56b5ae; }
 
.navigation li ul.dropdown li:first-child:hover a { border-radius: 0; }
 
.navigation li:hover .arrow-down { border-top: 5px solid #fff; }
 
.arrow-down {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #def1f0;
  position: relative;
  top: 15px;
  right: -5px;
  content: '';
}
 @media only screen and (max-width:767px) {
 
.navigation {
  background: #fff;
  width: 200px;
  height: 100%;
  display: block;
  position: fixed;
  left: -200px;
  top: 0px;
  transition: left 0.3s linear;
  margin: 0;
  border: 0;
  border-radius: 0;
  overflow-y: auto;
  overflow-x: hidden;
  height: 100%;
}
 
.navigation.visible {
  left: 0px;
  transition: left 0.3s linear;
}
 
.nav_bg {
  display: inline-block;
  vertical-align: middle;
  width: 100%;
  height: 50px;
  margin: 0;
  position: absolute;
  top: 0px;
  left: 0px;
  background: #009788;
  padding: 12px 0 0 10px;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
}
 
.nav_bar {
  display: inline-block;
  vertical-align: middle;
  height: 50px;
  cursor: pointer;
  margin: 0;
}
 
.nav_bar span {
  height: 2px;
  background: #fff;
  margin: 5px;
  display: block;
  width: 20px;
}
 
.nav_bar span:nth-child(2) { width: 20px; }
 
.nav_bar span:nth-child(3) { width: 20px; }
 
.navigation ul { padding-top: 50px; }
 
.navigation li { display: block; }
 
.navigation li a {
  display: block;
  color: #505050;
  font-weight: 500;
}
 
.navigation li:first-child:hover a { border-radius: 0; }
 
.navigation li ul.dropdown { position: relative; }
 
.navigation li ul.dropdown li a {
  background: #00695b !important;
  border-bottom: none;
  color: #fff !important;
}
 
.navigation li:hover a {
  background: #009788;
  color: #fff !important;
}
 
.navigation li ul.dropdown li:hover a {
  background: #56b5ae !important;
  color: #fff !important;
}
 
.navigation li ul.dropdown li a { padding: 10px 10px 10px 30px; }
 
.navigation li:hover .arrow-down { border-top: 5px solid #fff; }
 
.arrow-down {
  border-top: 5px solid #505050;
  position: absolute;
  top: 20px;
  right: 10px;
}
 
.opacity {
  background: rgba(0,0,0,0.7);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}
}
 @media only screen and (max-width:1199px) {
 
.container { width: 96%; }
}
</style>
 
 
<body>
<div id="main">
  <div class="container">
    <nav>
      <div class="navigation">đù
        <ul>
          <li><a href="">Home</a></li>
          <li><a href="">About</a></li>
          <li><a href="">Contact</a></li>
          <li><a href="#" tabindex="1">Services<span class="arrow-down"></span></a>
            <ul class="dropdown">
              <li><a href="">Services - 1</a></li>
              <li><a href="">Services - 2</a></li>
              <li><a href="">Services - 3</a></li>
              <li><a href="">Services - 4</a></li>
              <li><a href="">Services - 5</a></li>
            </ul>
          </li>
          <li><a href="#" tabindex="1">Works<span class="arrow-down"></span></a>
            <ul class="dropdown">
              <li><a href="">Works - 1</a></li>
              <li><a href="">Works - 2</a></li>
              <li><a href="">Works - 3</a></li>
              <li><a href="">Works - 4</a></li>
              <li><a href="">Works - 5</a></li>
            </ul>
          </li>
        </ul>
      </div>
      <div class="nav_bg">
        <div class="nav_bar"> <span></span> <span></span> <span></span> </div>
      </div>
    </nav>
 
 
  </div>
</div>
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script> 
<script>
$(document).ready(function(){
$('.nav_bar').click(function(){
$('.navigation').toggleClass('visible');
$('body').toggleClass('opacity');
});
});
</script>