body {
    background-color: #121212;
    color: #e0e0e0;
    font-family: Arial, sans-serif;
}
h1, h2, h3 {
    color: #bb86fc;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}
.example {
    background-color: #333;
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}
input {
    background-color: #333;
    color: #e0e0e0;
    border: 1px solid #444;
    padding: 5px;
    margin-bottom: 10px;
}

.button {
    display: inline-block;
    padding: 15px 30px;
    background-color: #bb86fc;
    color: #121212;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    text-align: center;
    transition: background-color 0.3s;
}