style.css

body
{
	background-color: rgb(70,79,105);
	color: white;
	font-family: Geneva, Arial, Helvetica, sans-serif;
}

ul
{
	list-style-type: none;
	margin: 0px 0px;
	padding: 0;
	clear: both;
}

ul#markers li
{
	margin: 0px 10px;
	text-align: center;
}

ul:nth-child(2) li
{
	margin-top: 0px;
}

li
{
	display: block;
	width: 30px;
	height: 30px;
	background-color: rgb(122,122,122);
	float: left;
	margin: 20px 10px;
	cursor: pointer;
}

li:hover
{
	background-color: rgb(138,138,138);
}

li.label
{
	background-color: inherit;
}

li.note
{
	background-color: rgb(232, 252, 98);
}

li.active
{
	background-color: rgb(43, 186, 71);
}

section#controls
{
	clear: both;
	padding: 10px 0px;
}

section#controls input
{
	font-size: 2em;
	width: 100px;
	margin-right: 20px;
}

input.error
{
	background-color: red;
}