Old Skool Classitis

<div class="wrap">
    <div class="wrap-inner">
        <div class="header">
            <div class="logo">
                <img src="#" />
            </div>
            <div class="site-title">Site Title</div>
            <div class="nav">
                <div class="nav-list">
                    <div class="nav-item">
                        <div class="nav-item-inner"><a href="">Nav Item 1</a></div>
                    </div>
                    <div class="nav-item">
                        <div class="nav-item-inner"><a href="">Nav Item 2</a></div>
                    </div>
                    <div class="nav-item">
                        <div class="nav-item-inner"><a href="">Nav Item 3</a></div>
                    </div>
                </div>
            </div>
        </div>
        <div class="main-content">
            <div class="main-content-title">Main Content Title</div>
            <div class="main-content-inner">Main content goes here</div>
        </div>
        <div class="sidebar">
            <div class="sidebar-title">Side content title</div>
            <div class="sidebar-inner">Secondary content goes here</div>
        <div class="footer">
          <div class="copyright">&copy; old-skool era</div>
          <div class="contact-us">
            <a href="#">Use our contact us form!</a>
          </div>
        </div>
    </div>
</div>