.tablero1 {
    border: 3px double gray;
    box-sizing: border-box;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
}

.lblTable {
    margin-top: 1rem;
    filter: drop-shadow(0px 4px 6px rgba(0, 0, 0, 0.2));
}