.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; max-width:100%; border-radius:10px; ul margin-left:20px; table width:100%; border-collapse:collapse; margin:20px 0; th background:#2c7be5; color:#fff; Qy