* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #e9ecef;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2.5em;
    color: #007bff;
}

.question {
    margin-bottom: 20px;
}

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

label {
    display: block;
    padding: 15px;
    border: 2px solid #007bff;
    border-radius: 5px;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
    font-size: 1.1em;
    cursor: pointer;
}

label:hover {
    background-color: #007bff;
    color: white;
    border-color: #0056b3;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #218838;
}

.result {
    margin-top: 20px;
    font-size: 1.5em;
    text-align: center;
    color: #495057;
}