lass="icon icon-mac"></span><span class="text">mac</span></nav>
                <nav data-class="icon-windows"><span class="icon icon-windows"></span><span class="text">windows</span></nav>
                <nav data-class="icon-android"><span class="icon icon-android"></span><span class="text">android</span></nav>
                <nav data-class="icon-windows8"><span class="icon icon-windows8"></span><span class="text">windows8</span></nav>
                <nav data-class="icon-trade-assurance"><span class=