.vertical-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 250px;
}

.vertical-nav-item {
    border-bottom: 1px solid #ddd;
}

.vertical-nav-item > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    text-decoration: none;
    color: #333;
    background-color: #f9f9f9;
    cursor: pointer;
}

.vertical-nav-item > a:hover {
    background-color: #eee;
}

.vertical-nav-content-menu-wrapper {
    display: none;
}

.vertical-nav-content-menu {
    padding-left: 20px;
    background-color: #f1f1f1;
}

.vertical-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.vertical-nav-list li {
    border-bottom: 1px solid #ddd;
}

.vertical-nav-list li a {
    display: block;
    padding: 8px;
    text-decoration: none;
    color: #333;
}

.vertical-nav-list li a:hover {
    background-color: #ddd;
}

.icon {
    font-weight: bold;
}