@charset "utf-8";
body {
	margin: 0;
	padding: 20px 40px;
	width: 55rem;
	margin: auto;
	color: #303438;
	font-family: helvetica, arial, sans-serif;
	line-height: 1.4rem;
	font-size: 16px;
}

#start,
#close {
	-webkit-appearance: none;
	-moz-appearance: none;
	-ms-appearance: none;
	-o-appearance: none;
	appearance: none;
	border: 1px solid #e0e0e0;
	padding: 20px;
	width: 50%;
	box-sizing: border-box;
	color: #303438;
	background-color: #e8e8e8;
}

#start:hover,
#close:hover {
	background-color: #e0e0e0;
	cursor: pointer;
}

#start {
	border-radius: 3px 0 0 3px;
}

#close {
	margin-left: -5px;
	border-radius: 0 3px 3px 0;
	border-left: 2px solid #e0e0e0;
	margin-bottom: 15px;
}

button[disabled] {
	color: gray !important;
	background-color: #f0f0f0 !important;
	cursor: not-allowed !important;
}

input {
	width: 4em;
	padding: 0;
}

.implemented {
	text-decoration: line-through;
}