.content-nav {
    position: absolute;
    right: 0;
    top: -5px;
    z-index: 299;
    }
    .dropdown, .dropup {
    position: relative;
}.dropdown:hover .dropdown-menu {
    display: block;
}.btn-content-nav {
    border-radius: 0;
    width: 50px;
    height: 50px;
    font-size: 21px;
    border-color: transparent;
    background-color: #efefef;
    background-color: rgba(239,239,239,.85);
}.dropdown-menu {
    margin-top: -1px;
    border-radius: 0;
    border-color: #eee;
    right: 0;
}.btn.active.focus, .btn.active:focus, .btn.focus, .btn:active.focus, .btn:active:focus, .btn:focus {
    outline: thin dotted;
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px;
}.btn-content-nav:hover {
    border: none;
    background-color: #f5f5f5;
    z-index: 999;
}
.content-nav.fixed {
    position: fixed;
    top: 0;
}
body {
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	right: 0;
	overflow: auto;
}