body {
    font-family: Arial;
    margin: 0;
    background: linear-gradient(to bottom, violet, pink);
    transition: 0.3s;
}

/* DARK MODE */
.dark-mode {
    background: #111;
    color: white;
}

/* HEADER */
header {
    background-color: black;
    color: pink;
    text-align: center;
    padding: 20px;
}

header img {
    width: 80px;
}

/* NAV */
nav {
    background: #222;
    padding: 10px;
    text-align: center;
    position: sticky;
    top: 0;
}

nav a {
    color: white;
    margin: 10px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: pink;
}

/* CONTAINER */
.container {
    padding: 20px;
}

/* SECTIONS ANIMATION */
section {
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(40px);
    transition: 0.8s;
}

section.show {
    opacity: 1;
    transform: translateY(0);
}

/* IMAGES */
img {
    display: block;
    margin: auto;
    border-radius: 10px;
    max-width: 100%;
}

/* TABLE */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    border: 1px solid black;
    padding: 10px;
    text-align: center;
}

/* BUTTON */
button {
    padding: 10px;
    background: black;
    color: pink;
    border: none;
    cursor: pointer;
}

/* FIELD */
.field {
    background: green;
    padding: 20px;
    border-radius: 10px;
    color: white;
    text-align: center;
}

/* QUIZ */
.quiz {
    background: white;
    padding: 20px;
    border-radius: 10px;
}

.dark-mode .quiz {
    background: #333;
}

/* FOOTER */
footer {
    background: black;
    color: white;
    text-align: center;
    padding: 10px;
}

/* RESPONSIVE */
@media (max-width: 600px) {
    header h1 {
        font-size: 24px;
    }
}
</style>style