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

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

#quiz-container {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    margin: 20px;
    text-align: center;
}

#timer {
    font-size: 1.5em;
    margin-bottom: 20px;
}

#quiz {
    margin-bottom: 20px;
}

.options {
    margin-bottom: 20px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 10px;
}

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

button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin: 10px;
}

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

#results {
    margin-top: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
}

#photo-container {
    margin-top: 20px;
}

canvas {
    max-width: 100%;
    border-radius: 10px;
}