#grid {
	border-collapse: collapse;
	border: 1px solid #ddd;
}

#grid.active {
	border: none;
	background: #ddd;
}

#grid td {
	width: 2em;
	height: 2em;
	display: inline-block;
	padding: 1px;
	text-align: center;
	line-height: 2em;
}

#grid.active td {
	cursor: pointer;
}

#grid.active td:hover {
	padding: 0;
	border: 1px dashed #aaa;
}

#grid td[class*="color"] {
	padding: 0;
}

#grid td.off {
	filter: invert(1);
}

#save {
	display: none;
}

#save.active {
	display: initial;
}