body { font-family: Arial, sans-serif; max-width: 800px; margin: auto; padding: 20px; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
nav a { margin: 0 10px; text-decoration: none; color: #333; }
form { display: flex; flex-direction: column; max-width: 300px; margin: auto; }
input, select, button { margin: 5px 0; padding: 8px; font-size: 16px; }
#posts, #userPosts { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.post { border: 1px solid #ccc; padding: 10px; }