body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    color: #333;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input[type="text"],
input[type="submit"],
button {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Include padding and border in element's total width and height */
}

input[type="submit"],
button {
    background-color: #5cb85c;
    color: white;
    border: none;
    cursor: pointer;
}

input[type="submit"]:hover,
button:hover {
    background-color: #4cae4c;
}

.auth-details {
    display: none;
    margin-top: 20px;
}

.message {
    color: red;
    margin-top: 10px;
    text-align: center;
}