.cpp-password-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    background: #f5f5f5;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.cpp-password-container h2 {
    margin-bottom: 10px;
    color: #333;
}

.cpp-password-container input[type="password"],
.cpp-password-container input[type="submit"] {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    font-size: 16px;
}