html, body {
	width: 100%;
	height: 100%;
}

body {
	display: flex;
	margin: 0;
	font-family: sans-serif;
}

body > * {
	margin: 0;
	border: none;
	box-sizing: border-box;
}

p {
	margin: 0.5rem;
	padding: 0;
}

form {
	display: flex;
	flex-flow: column;
}

textarea {
	height: 100%;
	flex: 1;
	padding: 0.5rem;
	width: 30em;
	overflow-y: auto;
}

li.error {
	color: red;
}

table {
	flex: 1;
	border-collapse: collapse;
}

th, td {
	font-size: 90%;
	vertical-align: top;
	text-align: left;
	padding: 5px 5px;
	font-family: "Helvetica Neue", sans-serif;
}

tr:nth-of-type(even) {
	background: #eee;
}

.input {
	color: gray;
}

.score {
	display: inline-block;
	padding: 2px 5px;
	background: red;
	color: white;
}

.score-high {
	background: green;
}

.score-medium {
	background: orange;
}

ins {
    background-color: #c6ffc6;
    text-decoration: none;
}

del {
    background-color: #ffc6c6;
}