.menu-side {
    position: fixed;
    top: 0;
    left: -80%;
    width: 80%;
    height: 100%;
    background-color: #fff;
    transition: left 0.3s ease;
    z-index: 9999;
}

.menu-side.open {
    left: 0;
}

.menu-toggle {
    cursor: pointer;
}