body {
    font-family: 'Cairo', Arial, sans-serif;
    background: #f7f7f7;
    margin: 0;
    padding: 0;
    direction: rtl;
}
.header {
    background: #1976d2;
    color: #fff;
    padding: 20px;
    text-align: center;
}
.wallpapers-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin: 30px 0;
}
.wallpaper-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px #0001;
    overflow: hidden;
    width: 220px;
    text-align: center;
    transition: box-shadow 0.2s;
}
.wallpaper-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}
.wallpaper-card h3 {
    margin: 10px 0 5px 0;
    font-size: 1.1em;
}
.wallpaper-card .meta {
    font-size: 0.9em;
    color: #888;
    margin-bottom: 10px;
}