body {
font-family: "Arial", sans-serif;
margin: 0;
padding: 0;
}

#posts-container {
max-width: 800px;
margin: 0 auto;
}

.post {
background-color: #f5f5f5;
padding: 20px;
margin-bottom: 10px;
}

#loader {
text-align: center;
display: none;
}

#loader img {
width: 50px;
height: 50px;
}