body {
    font-family: Arial, sans-serif;
    font-size: 20px;
    text-align: center;
    margin: 20px;
    background-color: #f0f0f0;
}
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.question {
    margin: 20px 0;
    text-align: left;
}
.question p {
    font-weight: bold;
    font-size: 24px;
}
.options label {
    display: block;
    margin: 10px 0;
    font-size: 20px;
}
#timer {
    display: none;
    font-size: 28px;
    color: red;
    margin: 20px 0;
    position: fixed;
    top: 10px;
    right: 10px;
    background: white;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
    z-index: 1000;
}
#result {
    display: none;
    margin-top: 20px;
    font-size: 24px;
}
button {
    font-size: 20px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background-color: #45a049;
}
#startButton {
    margin-bottom: 20px;
}
footer {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #eeffff;
    color: black;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-align: center;
    font-size: 16px;
}
footer a {
    color: #0000FF;
    font-weight: bold;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
footer p {
    margin: 5px 0;
}
.header h1 {
    font-size: 1.5em;
    font-family: verdana;
    margin: 0;
}
.header h2 {
    font-size: 1.5em;
    margin: 5px 0 20px;
    color: #333;
}
#logo {
    width: 100px;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}
@keyframes blink {
    0% { background-color: yellow; }
    50% { background-color: #fff8b3; }
    100% { background-color: yellow; }
}
.blinking {
    animation: blink 1s infinite;
    color: black;
    font-weight: bold;
}
.ol {
    padding-bottom: 10 px;
}