.bordercalc {
    background-color: #ccc;
    font-weight: bold;
    text-align: center;
    border: 1px solid #999;
    padding: 0;
}

.inputcalc {
    border: none;
    min-width: 80px;
    width: 80px;
    font-size: inherit;
    padding: 2px;
}

.inputcalc:hover {
    background-color: #eee;
}

.inputcalc:focus {
    background-color: #ccf;
}

.tablecalc {
    border-collapse: collapse;  
}

.cellcalc {
    border: 1px solid #999;
    padding: 0;
    font-size: 14px;
}
