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

#age-calculator label {
    display: block;
    font-size: 16px;
    margin-bottom: 10px;
}

#dob {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

#calculate-age {
    margin-top: 15px;
    padding: 10px 15px;
    font-size: 16px;
    background: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

#calculate-age:hover {
    background: #0056b3;
}

#age-result {
    margin-top: 15px;
    font-size: 16px;
}

.success {
    color: green;
}

.error {
    color: red;
}

.loading {
    color: #007bff;
}