body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #8B4513, #A9A9A9);
    color: #333;
}
header {
    padding: 20px;
    text-align: center;
    background: linear-gradient(to right, #4B0082, #9400D3);
    color: white;
    font-family: 'Times New Roman', Times, serif;
}
h1, h2, h3, h4 {
    margin: 20px 0;
    color: #FFFFFF;
}
p {
    line-height: 1.6;
    margin: 10px 20px;
}
pre {
    background: #f4f4f4;
    padding: 10px;
    overflow-x: auto;
    margin: 10px 20px;
}
code {
    font-family: Consolas, monospace;
    color: #C71585;
}
table {
    width: 90%;
    margin: 20px auto;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #4B0082;
    color: white;
}
img {
    width: 100%;
    max-width: 320px;
    height: auto;
    display: block;
    margin: 10px auto;
}
a {
    color: #FFD700;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: white;
}
@media (max-width: 320px) {
    body { font-size: 14px; }
}
@media (max-width: 480px) {
    body { font-size: 16px; }
}
@media (max-width: 768px) {
    table { width: 100%; }
}
@media (min-width: 1024px) {
    body { font-size: 18px; }
}