body {
    background: linear-gradient(135deg, #f8ffae 0%, #43cea2 100%);
    font-family: 'Segoe UI', Arial, sans-serif;
    min-height: 100vh;
    margin: 0;
}

.quiz-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 18px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
    width: 80%;
    max-width: 500px;
    margin: 60px auto;
    padding: 32px 24px;
    text-align: center;
    transition: box-shadow 0.3s;
}

.quiz-container:hover {
    box-shadow: 0 12px 40px 0 rgba(67, 206, 162, 0.3);
}

.quiz-title {
    color: #43cea2;
    margin-bottom: 18px;
    font-size: 2em;
    font-weight: 600;
}

#options {
    list-style: none;
    padding: 0;
    margin: 0;
}

#options li {
    margin-bottom: 16px;
}

#options li label {
    display: block;
    background: linear-gradient(90deg, #185a9d 0%, #43cea2 100%);
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    font-size: 1.1em;
    box-shadow: 0 2px 8px rgba(67, 206, 162, 0.08);
}

#options li label:hover {
    background: linear-gradient(90deg, #43cea2 0%, #185a9d 100%);
    transform: translateY(-2px) scale(1.03);
}

#options li input[type="radio"] {
    margin-right: 12px;
    accent-color: #43cea2;
}

button, .btn {
    background: linear-gradient(90deg, #43cea2 0%, #185a9d 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 28px;
    font-size: 1.1em;
    cursor: pointer;
    margin-top: 24px;
    margin-bottom: 8px;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 2px 8px rgba(67, 206, 162, 0.08);
    display: inline-block;
}

button:hover, .btn:hover {
    background: linear-gradient(90deg, #185a9d 0%, #43cea2 100%);
    transform: translateY(-2px) scale(1.03);
}

#feedback {
    font-size: 1.1em;
    margin-top: 18px;
    color: #185a9d;
    min-height: 24px;
}

#score {
    font-size: 1.2em;
    margin-top: 12px;
    color: #43cea2;
    font-weight: 600;
}

#timer, .timer {
    font-size: 1.2em;
    color: #185a9d;
    margin-top: 12px;
    font-weight: bold;
}

.quiz-container img {
    display: block;
    margin: 18px auto 24px auto;
    max-width: 100%;
    max-height: 220px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(67, 206, 162, 0.15);
    object-fit: cover;
}
footer {
    text-align: center;
    margin-top: 24px;
    font-size: 1em;
    color: #888;
}