.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 auto; read more max-width:100%; SONOFF TRV smart valve border-radius:10px;table width:100%; click here border-collapse:collapse; margin:20px read more 0;th backgr