#mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100%;
    background-color: #fff;
    transition: right 0.3s ease;
    z-index: 1000;
}

#mobile-menu.active {
    right: 0;
}

.mobile-menu-open #mobile-menu {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    cursor: pointer;
}