#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    z-index: 9998;
}

#sideMenu {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background: #fff;
    transition: 0.3s;
    z-index: 9999;
    display: flex;
    flex-direction: column;

}
#sideMenu .menu-link{
    padding: 10px;
}
#sideMenu .menu-link:hover{
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.06);
}
#overlay.active {
    opacity: 1;
    visibility: visible;
}

#sideMenu.active {
    left: 0;
}