body {
			font-family: sans-serif;
			text-align: center;
			padding: 50px;
		}
		#result {
			margin-top: 20px;
			font-weight: bold;
		}
		#start-container {
			margin-bottom: 20px;
		}
		#answer, #checkButton, #restartButton {
			display: block;
			margin: 10px auto;
		}
		#resultsGrid {
			display: none;
			margin: 20px auto;
			border-collapse: collapse;
		}
		#resultsGrid th, #resultsGrid td {
			border: 1px solid black;
			padding: 8px;
			text-align: center;
		}
		.correct {
			background-color: lightgreen;
		}
		.incorrect {
			background-color: lightcoral;
		}
		.error {
			color: red;
		}
		.reward {
			color: green;
			font-weight: bold;
		}
		.no-reward {
			color: red;
			font-weight: bold;
		}