nav.sidebar, .main {
    -webkit-transition: margin 200ms ease-out;
    -moz-transition: margin 200ms ease-out;
    -o-transition: margin 200ms ease-out;
    transition: margin 200ms ease-out;
}

.main {
    padding: 10px 10px 0 10px;
}

@media (min-width: 765px) {

    .main {
        position: absolute;
        width: calc(100% - 40px);
        margin-left: 40px;
        float: right;
    }

    nav.sidebar:hover + .main {
        margin-left: 200px;
    }

    nav.sidebar.navbar.sidebar > .container .navbar-brand, .navbar > .container-fluid .navbar-brand {
        margin-left: 0px;
    }

    nav.sidebar .navbar-brand, nav.sidebar .navbar-header {
        text-align: center;
        width: 100%;
        margin-left: 0px;
    }

    nav.sidebar a {
        padding-right: 13px;
    }

    nav.sidebar .navbar-nav > li:first-child {
        border-top: 1px #e5e5e5 solid;
    }

    nav.sidebar .navbar-nav > li {
        border-bottom: 1px #e5e5e5 solid;
    }

    nav.sidebar .navbar-nav .open .dropdown-menu {
        position: static;
        float: none;
        width: auto;
        margin-top: 0;
        background-color: transparent;
        border: 0;
        -webkit-box-shadow: none;
        box-shadow: none;
    }

    nav.sidebar .navbar-collapse, nav.sidebar .container-fluid {
        padding: 0 0px 0 0px;
    }

    .navbar-inverse .navbar-nav .open .dropdown-menu > li > a {
        color: #777;
    }

    nav.sidebar {
        width: 200px;
        height: 100%;
        margin-left: -160px;
        float: left;
        margin-bottom: 0px;
    }

        nav.sidebar li {
            width: 100%;
        }

        nav.sidebar:hover {
            margin-left: 0px;
        }

    .forAnimate {
        opacity: 0;
    }
}

@media (min-width: 1330px) {

    .main {
        width: calc(100% - 200px);
        margin-left: 200px;
    }

    nav.sidebar {
        margin-left: 0px;
        float: left;
    }

        nav.sidebar .forAnimate {
            opacity: 1;
        }
}

nav.sidebar .navbar-nav .open .dropdown-menu > li > a:hover, nav.sidebar .navbar-nav .open .dropdown-menu > li > a:focus {
    color: #CCC;
    background-color: transparent;
}

nav:hover .forAnimate {
    opacity: 1;
}

section {
    padding-left: 15px;
}