.menu-principal{
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    background-color: rgb(242, 242, 243);
    transition: 0.3s;
}
.menu-principal:hover{
    background-color: rgb(216, 216, 216);
    box-shadow: rgba(0, 0, 0, 0.16) 0px 10px 36px 0px, rgba(0, 0, 0, 0.06) 0px 0px 0px 1px;
}
.menu-principal a{
    text-decoration: none;
    color: black;
}