Changes to be committed:

modified:   public/css/gogs.css
	modified:   routes/repo/view.go

public/css/gogs.css

@@ -1480,6 +1480,21 @@ footer .ui.language .menu {
 .repository.file.list #file-content .code-view table {
   width: 100%;
 }
+.repository.file.list #file-content .code-view .line-num {
+  width: 1%;
+  min-width: 50px;
+  padding-right: 10px;
+  padding-left: 10px;
+  text-align: right;
+  white-space: nowrap;
+  vertical-align: top;
+  cursor: pointer;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
 .repository.file.list #file-content .code-view .lines-num {
   vertical-align: top;
   text-align: right;

routes/repo/view.go

@@ -186,7 +186,7 @@ func renderFile(c *context.Context, entry *git.TreeEntry, treeLink, rawLink stri
 			var output bytes.Buffer
 			lines := strings.Split(fileContent, "\n")
 			for index, line := range lines {
-				output.WriteString(fmt.Sprintf(`<tr><td>%d</td><td id="L%d" rel="L%d">%s</td></tr>`, index+1, index+1, index+1, gotemplate.HTMLEscapeString(strings.TrimRight(line, "\r"))) + "\n")
+				output.WriteString(fmt.Sprintf(`<tr><td class="blob-num">%d</td><td id="L%d" rel="L%d" class="blob-code">%s</td></tr>`, index+1, index+1, index+1, gotemplate.HTMLEscapeString(strings.TrimRight(line, "\r"))) + "\n")
 			}
 			c.Data["FileContent"] = gotemplate.HTML(output.String())