body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

.container {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.example-selector {
    margin-bottom: 20px;
}

.example-selector button {
    margin-right: 10px;
    padding: 10px 20px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
    transition: background-color 0.3s;
}

.example-selector button:hover {
    background-color: #0056b3;
}

.example-box {
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fff;
}

.highlight {
    background-color: yellow;
}