<style>
    /* Reset default styles */
    .navbar {
        display: inline-block;
    }

    .dropdown {
        position: relative;
        display: inline-block;
    }

    .dropbtn {
        background-color: #4CAF50;
        color: white;
        padding: 16px;
        font-size: 16px;
        border: none;
        cursor: pointer;
    }

    .dropdown-content {
        display: none;
        position: absolute;
        background-color: #f9f9f9;
        min-width: 160px;
        box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
        z-index: 1;
    }

    .dropdown-content a, .dropdown-content .submenu-item {
        color: black;
        padding: 12px 16px;
        text-decoration: none;
        display: block;
    }

    .dropdown-content a:hover, .submenu-item:hover {
        background-color: #f1f1f1;
    }

    .submenu-item {
        position: relative;
    }

    .submenu {
        display: none;
        position: absolute;
        top: 0;
        left: 100%;
        background-color: #f9f9f9;
        min-width: 160px;
        box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    }

    .submenu-item:hover .submenu {
        display: block;
    }

    /* Adjust the header layout if necessary */
    .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
</style>
