body{
	background: #fafafa;
	font-family: sans-serif;
}

h1{
	color: #333;
	font-size: 25px;
}

canvas{
	background: #fff;
	border: 1px solid #ccc;
	/* width: 800px; */
	/* height: 800px; */

	border-radius: 3px;

}

fieldset{
	width: 250px;
	float: left;
	border: 1px solid #ccc;
	border-radius: 3px;
	margin-bottom: 1em;
}
fieldset legend{
	font-weight: bold;
	border-radius: 3px;
	padding: 3px;
	border: 1px solid #ccc;
}
fieldset input{
	width: 4em;
	border: 1px solid #ccc;
	padding: 3px;
	border-radius: 3px;
}

#run{
	padding: 2em;
	margin-top: 1em;
}

#container{
	width: 800px;
	margin: 0 auto;
}