#age-calculator {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#age-calculator label {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    display: block;
}

#age-calculator input[type="datetime-local"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

#calculate-age {
    padding: 10px 20px;
    background-color: #0073e6;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

#calculate-age:hover {
    background-color: #005bb5;
}

#age-result {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
}