center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.table-round {
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid #0f70b7; /*#00c6a9;*/
    border-radius: 10px;
    overflow: hidden;
}

.days {
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid #00c6a9;
    border-radius: 10px;
    overflow: hidden;
}

.is-invalid {
    border-color: #dc3545 !important;
}

.hidden {
    display: none !important;
}

/* Imposta larghezze identiche per ogni colonna */
th:nth-child(1),
td:nth-child(1) {
  width: 50%; /* Famiglia */
}

th:nth-child(2),
td:nth-child(2) {
  width: 25%; /* Prezzo */
}

th:nth-child(3),
td:nth-child(3) {
  width: 25%; /* Pezzi disponibili */
}