.containerm {
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
#results {
    margin-top: 20px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#monthly-payment, #total-interest, #total-cost {
    font-size: 18px;
    color: #333;
    margin: 10px 0;
    text-align: left;
}

#chart-container {
    margin-top: 20px;
}