history.css

body {
	max-width: 300px;
	margin: 100px auto 50px;
	position: relative;
}
#help {
	width: 25px;
	height: 25px;
	border-radius: 13px;
	background-color: blue;
	color: white;
	display: inline-block;
	text-align: center;
	text-decoration: none;
	font-weight: bold;
	line-height: 25px;
	font-size: 19px;
	position: absolute;
	right: 0;
	top: -45px;
}
#up {
	cursor: pointer;
	height: 25px;
}
#files {
	border-bottom: 1px solid black;
}
#files:empty::before {
	display: block;
	content: "No files found";
}
.file:not(.history), .file.history + .file.history, .file.dir + .file.history {
	border-top: 1px solid black;
	padding-top: 10px;
	height: 25px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	padding-right: 2em;
	position: relative;
}
.file.dir {
	cursor: pointer;
}
.file:not(.history):not(.dir) + .file.history {
	position: absolute;
	right: 0;
	margin-top: -25px;
	color: transparent;
	width: 1em;
	height: 1em;
}
.file.history + .file.history, .file.dir + .file.history {
	color: red;
}
.file:not(.history):not(.dir) + .file.history::before, .file.history + .file.history::after, .file.dir + .file.history::after {
	display: inline;
	content: "\A0\A0\A0\A0\A0";
	background: url("history-small.png") no-repeat;
	position: absolute;
	right: 0;
	width: 1em;
	height: 1em;
}
.restore {
	position: absolute;
	right: 0;
	margin-top: -25px;
	cursor: pointer;
}
.restore::before {
	content: "Restore";
}