body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
    margin: 0;
    padding: 20px;
}
h1 {
    text-align: center;
}
.question {
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 20px;
    margin: 10px 0;
}
.options {
    margin-top: 10px;
}
.result {
    font-weight: bold;
    margin-top: 20px;
}