* { box-sizing: border-box; }

div.column { float: left; width: 50%; }

div#humanDice, div#computerDice { font-size: 0; }

div#humanDice > img, div#computerDice > img { width: calc(100% / 6); }

table {	border-collapse: collapse; width: 100%; }

table, tr, td {	border: 1px solid black; }

body { background-color: red; font-family: arial; }