body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #e0f7fa;
}

.captcha-container {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    width: 350px;
}

.captcha-header {
    margin-bottom: 20px;
}

.captcha-logo {
    width: 200px; /* Increased width */
    height: auto;
    margin-bottom: 15px;
}

.captcha-header h2 {
    font-size: 1.5em;
    color: #00796b;
}

.captcha-body {
    display: flex;
    flex-direction: column;
}

.captcha-question {
    font-size: 1.2em;
    margin-bottom: 15px;
    color: #004d40;
}

.captcha-input {
    padding: 10px;
    border: 1px solid #b2dfdb;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 1em;
}

.captcha-submit-btn {
    background-color: #00796b;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 10px;
    font-size: 1em;
    cursor: pointer;
}

.captcha-submit-btn:hover {
    background-color: #004d40;
}