table {
			border-collapse: collapse;
			margin: auto;
		}
		td, th {
			border: 1px solid black;
			padding: 16px;
			text-align: left;
			font-size: 18px;
		}

		th {
			background-color: gray;
		}
		.correct {
			background-color: green;
			color: white;
		}
		.incorrect {
			background-color: red;
			color: white;
		}
		.empty {
			background-color: white;
			color: black;
		}
    .answer-input {
      width: 6ch;
    }