slidecontainer

HTML

<script src="//cdn.jsdelivr.net/jquery.easing/1.3/jquery.easing.1.3.js"></script>
<script src="&lt;link href=&#39;https://fonts.googleapis.com/css?family=Roboto&#39; rel=&#39;stylesheet&#39; type=&#39;text/css&#39;&gt;"></script>



<div class="wrapper">
            <div class="navcontainer">
                <h1>Takeshi Iue</h1>
                <nav class="mainnav">
                    <ul class="menu">
                        <li><a href="#">Chair</a></li>
                        <li><a href="#">Stools</a></li>
                        <li><a href="#">Table</a></li>
                    </ul>
                </nav>

                <nav class="bottomnav">
                    <ul class="menu">
                        <li><a href="#">IMPRESSUM</a></li>
                        <li><a href="#">FB</a></li>
                        <li><a href="#">TW</a></li>
                        <li><a href="#">KONTAKT</a></li>
                    </ul>
                </nav>

            </div>
            <section class="content">
                <img src="http://www.zanellatobortotto.com/wp-content/uploads/2015/04/Home_Dotandcross-Convertible-bed.jpg">
            </section>
            <div class="subnavcontainer">
                <nav class="subnav">About</nav>
                                <div class="info">MAN I LOVE DUMPLINGS</div>

            </div>
       </div>

CSS

body {
    font-family: 'Roboto', sans-serif;
}


.wrapper {
    background: blue;
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    overflow: hidden;
}
.navcontainer {
    background: pink;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    text-align: center;
    z-index: 10;
    width: 30%;
}
.navcontainer:after {
    content:"";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    border-left: 0px solid #333;
    z-index: -1;
}
.navcontainer h1 {
    font-size: 2.5em;
    background: ;
    text-align: center;
    margin-top: 90px;
}
.mainnav {
    width: 30%;
    margin: 0 auto;
    padding-top: 90px;
    position: relative;
}
.bottomnav {
    position: absolute;
    height: 40px;
    bottom: 0;
    background: ;
    width: 100%;
    text-align: center;
}

.content {
    background: ;
    position: relative;
    width: 70%;
    left: 30%;
}
.content img {
    max-width: 100%;
    max-height: auto;
}
.content .info {
    position: absolute;
    background: ;
    z-index: 10;
    top: 0;
    min-width: 30%;
}
.subnavcontainer {
    background: grey;
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30%;
    left: 100%;
}

/* MENUS */
ul.menu {
    margin: 0;
    padding: 0;
    list-style-type: none;
}
.mainnav li {
    font-size: 1.8em;
    padding: 5px 0;
    /*background: rgba(255,255,255,.1);*/
}
.mainnav li.active {
    margin-top: 10px;
}
.mainnav li.active:first-child {
    margin-top: 0;
}

.bottomnav .menu {
    width: 100%;
}
.bottomnav li {
    display: inline-block;
    line-height: 40px;
    font-size: .75em;
}

JavaScript

var navcont = $('.navcontainer');
var content = $('.content');
var subnavcont = $('.subnavcontainer');
var mainnavLink = $('.mainnav .menu > li');
var easing = 'easeInBack';
//var easing = "swing"; // with this easing function no problems


mainnavLink.children('a').click(function(){
    offset = navcont.width();
    slideContainer(navcont, easing, offset);
    setTimeout(function() {
        slideContainer(content, easing, offset);	
    }, 200);
    setTimeout(function() {
        slideContainer(subnavcont, easing, offset);	
    }, 400);
});


subnavcont.click(function(){
    offset = navcont.width();
    slideContainer(subnavcont, easing, offset)
    setTimeout(function() {
        slideContainer(content, easing, offset);	
    }, 100);
    setTimeout(function() {
        slideContainer(navcont, easing, offset);	
    }, 300);
    
});

function slideContainer(container, easing, offset){
    direction = (container.hasClass('out')) ? '+' : '-';
    //margin = (container.hasClass('out')) ? 0 : -offset;
    container.stop().animate({
        left: direction+"="+offset
        //'margin-left' : margin
    }, 650, easing, function() {
        $(this).toggleClass('out');
    });
};