.post{
background:#fff;
padding:15px;
margin:10px auto;
max-width:600px;
border-radius:12px;
box-shadow:0 2px 6px rgba(0,0,0,0.1);
}

.post img{
width:100%;
border-radius:10px;
margin-top:10px;
}

.comments{
background:#f5f5f5;
padding:10px;
margin-top:10px;
border-radius:8px;
}

.ad{
background:#fffbe6;
border-left:5px solid gold;
}