* { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid black; padding: 8px; text-align: center; } td .zero { background-color: #F5F5F5; } td .one { background-color: white; } th { background-color: #f2f2f2; } .buttons { margin-top: 10px; } .parameter-input { margin-right: 5px; }