Merge branch 'pspacek/rtd-style-changes-v9_16' into 'v9_16'

ReadTheDocs style changes [v9_16]

See merge request isc-projects/bind9!6387

doc/arm/_static/custom.css

@@ -0,0 +1,25 @@
+/*
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+*/
+
+/* make table content wrappable */
+.wy-table-responsive table td {
+    white-space:normal;
+}
+
+/* readability improvements */
+.rst-content code.literal {
+    color: black;
+}
+.rst-content code.xref {
+    text-decoration: underline dotted gray;
+}

doc/arm/conf.py

@@ -167,6 +167,10 @@ master_doc = 'index'
 # a list of builtin themes.
 #
 html_theme = 'sphinx_rtd_theme'
+html_static_path = ['_static']
+html_css_files = [
+    'custom.css'
+]
 
 # -- Options for LaTeX output ------------------------------------------------
 latex_engine = 'xelatex'