* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

h1 {
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 10px;
}

p {
    color: #666;
}

nav {
    margin: 30px 0;
}

nav a {
    color: #222;
    text-decoration: none;
    margin-right: 20px;
}

nav a:hover {
    text-decoration: underline;
}

hr {
    border: 0;
    border-top: 1px solid #ddd;
    margin: 30px 0;
}

.images {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.images img {
    width: 400px;
    max-width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

pre {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
    overflow-x: auto;
    line-height: 1.5;
}