body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    width: 80%;
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

h1, h2 {
    color: #444;
}

h1 {
    border-bottom: 2px solid #444;
    padding-bottom: 10px;
}

h2 {
    margin-top: 30px;
    font-size: 1.5em;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 10px;
    font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="password"],
button {
    margin-top: 5px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
}

button {
    margin-top: 20px;
    background-color: #28a745;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #218838;
}

.question {
    margin-top: 20px;
}

.question p {
    font-size: 1.1em;
    margin-bottom: 5px;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border: 1px solid black;
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.popup-content {
    position: relative;
}

.close {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

.navbar {
    background-color: #444;
    padding: 10px;
    color: #fff;
    text-align: center;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
}

.navbar a:hover {
    text-decoration: underline;
}

.footer {
    background-color: #444;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    position: absolute;
    bottom: 0;
    width: 100%;
}