@media screen and (max-width: 830px) {
    #wrapper {
        margin-top: 0;
    }
    .mobile-nav {
        display: block;
    }
    .navigation, .nav-front {
        display: none;
    }
    #logo {
        background: none;
    }
}
@media screen and (max-width: 600px) {
    #logo {
        text-align: center;
        line-height: 38px;
    }
    #content {
        float: none;
        width: 100%;
    }

    #sidebar {
        width: 100%;
        float: none;
        border-right: none;
        padding: 10px;
        margin-top: 25px;
    }
    .sidebar-pic {
        border: none;
    }
}