nav#vertical_nav {
    width: 230px;
    color: #ffffff;
}

nav#vertical_nav #header_logo {
    padding: 10px 15px;
    text-align: center;
    margin-bottom: 10px;
}

nav#vertical_nav #header_logo img {
    width: 150px;
}

nav#vertical_nav .menu,
nav#vertical_nav .sub-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav#vertical_nav .menu>li,
nav#vertical_nav .menu .treeview-menu,
nav#vertical_nav .sub-menu .sub-treeview {
    background-color: #1e272c;
    border-top: 1px solid rgba(255, 255, 255, .25);
}

nav#vertical_nav .menu>li:last-child,
nav#vertical_nav .menu .treeview:last-child,
nav#vertical_nav .sub-menu .sub-menu:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, .25);
}

nav#vertical_nav .menu>li.active,
nav#vertical_nav .menu .treeview-menu>li.active,
nav#vertical_nav .sub-menu .sub-treeview.active {
    background-color: #1a2226;
}

nav#vertical_nav .menu>li i,
nav#vertical_nav .menu .treeview i {
    margin-right: 5px;
    font-size: 1.1rem;
}

nav#vertical_nav .menu a,
nav#vertical_nav .menu .menu-group,
nav#vertical_nav .sub-menu .sub-menu-group {
    border-left: 3px solid transparent;
    color: #ffffff;
    text-decoration: none;
    display: block;
    padding: 10px 5px 10px 15px;
    cursor: pointer;
}

nav#vertical_nav .menu-group {
    margin: 0;
    padding: 10px;
    text-align: center;
    font-weight: bold;
    background-color: #ba3828;
}

nav#vertical_nav .menu>li.active>a,
nav#vertical_nav .menu .treeview-menu li:not(.sub-treeview).active a,
nav#vertical_nav .sub-menu .sub-treeview.active .sub-menu-group {
    border-left-color: #ba3828;
}

nav#vertical_nav .sub-menu,
nav#vertical_nav .treeview-menu,
nav#vertical_nav .sub-treeview-menu {
    display: none;
}

nav#vertical_nav .treeview-menu,
nav#vertical_nav .sub-treeview-menu {
    background-color: #2c3b41;
    list-style: none;
    padding-left: 0;
}

nav#vertical_nav .menu .treeview.open>.treeview-menu,
nav#vertical_nav .menu .treeview.open .sub-menu,
nav#vertical_nav .menu .treeview.open .sub-menu .sub-treeview.open .sub-treeview-menu {
    display: block;
}

nav#vertical_nav .sub-menu .sub-treeview.active .sub-treeview-menu li.active a {
    border-left-color: #ffffff;
}

@media (max-width: 768px) {
    nav#vertical_nav {
        display: none;
    }

    nav#vertical_nav.show {
        width: 100%;
        display: block;
    }
}