body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #333;
}

.question-counter {
    text-align: center;
    margin-bottom: 20px;
    font-size: 18px;
    color: #666;
}

.question {
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.options {
    margin-bottom: 20px;
}

.options label {
    display: block;
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.options label:hover {
    background-color: #f9f9f9;
}

.options input[type="radio"] {
    margin-right: 10px;
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.submit-btn:hover {
    background-color: #45a049;
}

.results {
    text-align: center;
    margin-bottom: 20px;
}

.results p {
    font-size: 18px;
    margin: 10px 0;
}

.restart-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #2196F3;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    font-size: 16px;
}

.restart-btn:hover {
    background-color: #0b7dda;
}