add a print stylesheet

views/header.html

@@ -55,7 +55,7 @@
 </form>
 </ul>
 </details>
-<p></p>
+<p id="topspacer"></p>
 {{ else }}
 <span><a id="homelink" href="/">home</a></span>
 <span><a href="/o">tags</a></span>

views/style.css

@@ -287,3 +287,15 @@ img.emu {
 		height: 48px;
 	}
 }
+@media print {
+	#topmenu, #topspacer, #infobox, #refreshbox, .actions {
+		display: none;
+	}
+	html {
+		--bg-page: white;
+		--bg-dark: white;
+		--fg: black;
+		--fg-subtle: black;
+		--fg-limited: #a79;
+	}
+}