body {
    background-color: white;
    font-family: Arial, sans-serif;
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    color: black;
    text-align: center;
    font-size: 2.5em;
    margin: 20px 0;
}

h2 {
    color: red;
    text-align: center;
    font-size: 1.5em;
    margin: 20px 0;
}

p {
    text-align: center;
    line-height: 1.6;
    margin: 15px 0;
}

img {
    display: block;
    margin: 20px auto;
}

a {
    background-color: black;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    margin: 5px;
}

a:hover {
    background-color: red;
}

.button-section {
    text-align: center;
    margin: 20px 0;
}

.back-button {
    position: fixed;
    top: 10px;
    left: 10px;
    background-color: black;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

.back-button:hover {
    background-color: red;
}

.large-text {
    font-size: 20px;
}

.error-code {
    font-size: 5em;
    color: red;
    margin-top: 100px;
}