.container max-width:1100px; margin:auto; padding:20px;h1,h2,h3,h4 color:#2c7be5; img width:50%; display:block; margin:20px auto; border-radius:10px;video display:block; margin:20px ceiling foldable LED downlight auto; max-width:100%; foldable downlight 220V LED border-radius:10px;table LED 220V folding ceiling lamp width:100%; border-collapse