#menu {
    background: #003985;
    font-family: Arial, sans-serif;
    position: relative;
}
.menu-icon {
    display: none;
    font-size: 30px;
    padding: 10px 20px;
    cursor: pointer;
    color: white;
}
.menu-icon::before {
    content: "\2630"; /* Hamburger icon ☰ */
}
#responsive-menu {
    display: none;
}
.menu-items {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.menu-items li a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: white;
    font-weight: bold;
}
.menu-items li a:hover {
    background-color: #002e6d;
}
@media screen and (max-width: 768px) {
    .menu-items {
        display: none;
        flex-direction: column;
        background-color: #003985;
        width: 100%;
    }
    #responsive-menu:checked ~ .menu-items {
        display: flex;
    }
    .menu-icon {
        display: block;
    }
    .menu-items li {
        text-align: center;
        border-top: 1px solid #ffffff33;
    }
}