RWD Side Menu - JQuery CSS3

RWD side Menu JQuery CSS3

HTML

<script src="https://fonts.googleapis.com/css?family=Abeezee:400|Open+Sans:400,600,700|Source+Sans+Pro:400,600"></script>
<nav class="menu">
    <div id="2">
      
 
    <ul class="active">
        <li class="current-item"><a href="#">Home</a>
        </li>
        <li><a href="#">Menu Item</a>
        </li>
        <li><a href="#">Menu Item</a>
        </li>
        <li><a href="#">Menu Item</a>
        </li>
        <li><a href="#">Menu Item</a>
        </li>
    </ul>
     </div>
<a class="toggle-nav" href="#">&#9776;</a>

    <form class="search-form">
        <input type="text">
        <button>Search</button>
    </form>
</nav>

CSS

*, *:before, *:after {
    margin: 0px;
    padding: 0px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    border: 0px;
    font-size: 100%;
    font: inherit;
}

body {
    background: #3394e3;
}
.toggle-nav {
    display: none;
}.toggle-nav:after {
    width: 0px;
    height: 0px;
    position: absolute;
    bottom: 1%;
    left: 11%;
    content: '';
    -webkit-transform: translate(-50%, 0%);
    transform: translate(-50%, 0%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    -webkit-transition: all linear 0.15s, false, false, false;
    -moz-transition: all linear 0.15s, false, false, false;
    -ms-transition: all linear 0.15s, false, false, false;
    -o-transition: all linear 0.15s, false, false, false;
    transition: all linear 0.15s, false, false, false
}
.toggle-nav.active:after {
    -webkit-transform: translate(-50%, 99%);
    transform: translate(-50%, 99%);
    border-top: 10px solid #303030;
}
@media screen and (min-width: 860px) {
    .menu {
        width: 100%;
        padding: 10px 18px;
        box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.15);
        border-radius: 3px;
        background: #303030;
    }
}
.menu ul {
    display: inline-block;
}
.menu li {
    margin: 0px 50px 0px 0px;
    float: left;
    list-style: none;
    font-size: 17px;
}
.menu li:last-child {
    margin-right: 0px;
}
.menu a {
    text-shadow: 0px 1px 0px rgba(0, 0, 0, 0.5);
    color: #777;
    transition: color linear 0.15s;
}
.menu a:hover, .menu .current-item a {
    text-decoration: none;
    color: #66a992;
}
.search-form {
    float: right;
    display: inline-block;
}
.search-form input {
    width: 200px;
    height: 30px;
    padding: 0px 8px;
    float: left;
    border-radius: 2px 0px 0px 2px;
    font-size: 13px;
}
.search-form button {
    height: 30px;
    padding: 0px 7px;
    float: right;
    border-radius: 0px 2px 2px 0px;
    background: #66a992;
    font-size:...

JavaScript

jQuery(document).ready(function () {
    jQuery('.toggle-nav').click(function (e) {
        jQuery(this).toggleClass('active');
        jQuery('.menu ul').toggleClass('active');
        e.preventDefault();
    });
});