.ctc-container {
    background: #f7f7f7;
    border: 2px solid #663399;
    padding: 20px;
    max-width: 600px;
    margin: auto;
    border-radius: 15px;
    font-family: sans-serif;
}

.ctc-container h2, .ctc-container h3 {
    color: #663399;
}

.ctc-container label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

.ctc-container input, .ctc-container select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

#ctc-calculate {
    margin-top: 15px;
    background-color: #ed6600;
    color: white;
    border: none;
    padding: 10px 20px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
}

#ctc-calculate:hover {
    background-color: #cc5500;
}

#ctc-results {
    margin-top: 20px;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 15px;
    border-radius: 10px;
}