:root{--foreground-rgb:0,0,0;--background-rgb:255,255,255}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;overflow-x:hidden}body{color:rgb(var(--foreground-rgb));background:rgb(var(--background-rgb));padding:20px}h1{margin-bottom:10px}table{border-collapse:collapse;border:3px solid #000;width:50%;margin-top:20px}td{text-align:center;border:3px solid #000;padding:10px}tr:nth-child(2) td:first-child{color:red;background-color:#ff0}tr:nth-child(2) td:nth-child(2){color:#fff;background-color:#00f}tr:nth-child(2) td:nth-child(3),tr:nth-child(4) td:nth-child(2){color:#fff;background-color:red}