body {
		font-family: Arial, sans-serif;
		font-size: 16px;
		line-height: 1.5;
		padding: 20px;
	}
	
	main {
	   width: 600px;
	   margin: 0 auto;
	}
	
	h1 {
		font-size: 24px;
		margin-bottom: 10px;
	}

	input[type="number"] {
		padding: 10px;
		font-size: 16px;
		border-radius: 5px;
		border: 1px solid black;
		margin-right: 10px;
		width: 80px;
	}

	button {
		padding: 10px 20px;
		font-size: 16px;
		border-radius: 5px;
		border: none;
		background-color: #f1f1f1;
		cursor: pointer;
		transition: background-color 0.3s;
	}

	button:hover {
		background-color: #ddd;
	}

	table {
		margin-top: 20px;
		border-collapse: collapse;
		width: 100%;
		font-size: 14px;
	}

	th,
	td {
		text-align: left;
		padding: 8px;
		border-bottom: 1px solid #ddd;
	}

	th {
		background-color: #f2f2f2;
	}
	
	@media only screen and (max-width: 600px) {
		input[type="number"] {
			width: 100%;
			margin-right: 0;
			margin-bottom: 10px;
		}
		
		button {
			width: 100%;
		}
		
		table {
			font-size: 12px;
		}
	}