body {
	background: #222222;
	color: #efefef;
	font-family: sans-serif;
}

button {
	font-size: 2vw;
	padding-left: 1vw;
	padding-right: 1vw;
}

.matrix {
	line-height: 0px;
}

.cell {
	display: inline-block;
	background: #795c34;
	width: 2vw;
	height: 2vw;
	padding: 0;
	margin: 0;
}

.cell.barrier {
	background: #000000;
}

.cell.plant {
	background: #3cb371;
}

.cell.anti {
	background: #89cff0;
}

.row {
	margin: 0;
	padding: 0;
	padding-left: 10px;
	padding-right: 10px;
}

.matrix {
	display: inline-block;
	background: #fff;
	margin-left: 10px;
	padding: 12px;
	padding-top: calc(12px + 3px);
}