Rewrite the user-agent stysheet(s)

Based on https://html.spec.whatwg.org/multipage/rendering.html
rather than http://dev.w3.org/csswg/css2/grammar.html

resources/iso-8859-8.css

@@ -0,0 +1,23 @@
+/*
+
+https://html.spec.whatwg.org/multipage/rendering.html#bidi-rendering
+
+> When the document's character encoding is ISO-8859-8,
+> the following rules are additionally expected to apply, following [user-agent.css]
+
+*/
+
+@namespace url(http://www.w3.org/1999/xhtml);
+
+
+address, blockquote, center, div, figure, figcaption, footer, form, header, hr,
+legend, listing, main, p, plaintext, pre, summary, xmp, article, aside, h1, h2,
+h3, h4, h5, h6, hgroup, nav, section, table, caption, colgroup, col, thead,
+tbody, tfoot, tr, td, th, dir, dd, dl, dt, menu, ol, ul, li, [dir=ltr i],
+[dir=rtl i], [dir=auto i], *|* {
+  unicode-bidi: bidi-override;
+}
+input:not([type=submit i]):not([type=reset i]):not([type=button i]),
+textarea, keygen {
+  unicode-bidi: normal;
+}