--- a/mercurial/templates/static/style-gitweb.css	Sun Sep 13 22:34:58 2015 +0900
+++ b/mercurial/templates/static/style-gitweb.css	Tue Sep 22 02:09:10 2015 +0800
@@ -29,9 +29,9 @@
 a.list:hover { text-decoration:underline; color:#880000; }
 table { padding:8px 4px; }
 th { padding:2px 5px; font-size:12px; text-align:left; }
-tr.light:hover, .parity0:hover { background-color:#edece6; }
-tr.dark, .parity1 { background-color:#f6f6f0; }
-tr.dark:hover, .parity1:hover { background-color:#edece6; }
+tr.light:hover, .parity0:hover, pre.sourcelines.stripes > :nth-child(4n+1):hover { background-color:#edece6; }
+tr.dark, .parity1, pre.sourcelines.stripes > :nth-child(4n+3) { background-color:#f6f6f0; }
+tr.dark:hover, .parity1:hover, pre.sourcelines.stripes > :nth-child(4n+3):hover { background-color:#edece6; }
 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 td.closed { background-color: #99f; }
 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
@@ -87,6 +87,37 @@
 span.difflineplus { color:#008800; }
 span.difflineminus { color:#cc0000; }
 span.difflineat { color:#990099; }
+div.diffblocks { counter-reset: lineno; }
+div.diffblock { counter-increment: lineno; }
+pre.sourcelines { position: relative; counter-reset: lineno; }
+pre.sourcelines > span {
+	display: inline-block;
+	box-sizing: border-box;
+	width: 100%;
+	padding: 0 0 0 5em;
+	counter-increment: lineno;
+}
+pre.sourcelines > span:before {
+	-moz-user-select: -moz-none;
+	-khtml-user-select: none;
+	-webkit-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+	display: inline-block;
+	margin-left: -5em;
+	width: 4em;
+	color: #999;
+	text-align: right;
+	content: counters(lineno,".");
+	float: left;
+}
+pre.sourcelines > a {
+	display: inline-block;
+	position: absolute;
+	left: 0px;
+	width: 4em;
+	height: 1em;
+}
 
 /* Graph */
 div#wrapper {