.tpbc-calculator {
    max-width: 1200px;
    margin: 0 auto;
}

.tpbc-calculator table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.tpbc-calculator th, 
.tpbc-calculator td {
    padding: 10px;
    text-align: center;
}

.tpbc-calculator th {
    background-color: #009688;
    color: white;
}

.tpbc-calculator tr:nth-child(even) {
    background-color: #f2f2f2;
}

.calculator_header71 {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-weight: bold;
}

.calculator_headerright input {
    padding: 5px;
    width: 150px;
}