#kiz-calculator {
    max-width: 600px;
    margin: 30px auto;
    padding: 20px;
    border: 2px solid #ccc;
    border-radius: 8px;
    background: #f9f9f9;
    font-family: sans-serif;
}

#kiz-calculator h3 {
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
    margin-top: 25px;
    font-size: 1.2rem;
    color: #333;
}

#kiz-calculator label {
    display: block;
    margin: 15px 0 5px;
    font-weight: bold;
}

#kiz-calculator input[type="number"],
#kiz-calculator select {
    width: 100%;
    padding: 8px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

#kiz-calculator button[type="submit"] {
    margin-top: 20px;
    background-color: #0073aa;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
}

#kiz-calculator button[type="submit"]:hover {
    background-color: #005b8e;
}

#kiz-result {
    margin-top: 25px;
    padding: 15px;
    border: 1px solid #0073aa;
    background: #e6f7ff;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    color: #0073aa;
}