.mfc-calculator {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    background-color: #0bc07c;
    border: 1px solid #ccc;
    border-radius: 10px;
}

.mfc-calculator label {
    display: block;
    margin-top: 10px;
}

.mfc-calculator input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
}

.mfc-calculator button {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #0073aa;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.mfc-calculator button:hover {
    background-color: #005177;
}

#mfc-results {
    margin-top: 20px;
}