From 68d46fe41f6b40981338292fb414f1851a1f5542 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sun, 2 Jun 2019 20:48:58 -0400
Subject: doc: Use pretty CSS for HTML version.

---
 Makefile.am    |  3 +++
 doc/manual.css | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 doc/manual.css

diff --git a/Makefile.am b/Makefile.am
index fb93a68..a3439f4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -87,6 +87,9 @@ doc_guile_sdl2_TEXINFOS =			\
   doc/api.texi					\
   doc/guile-sdl2.texi
 
+AM_MAKEINFOHTMLFLAGS = --css-ref=https://dthompson.us/css/dthompson.css \
+  --css-include=doc/manual.css
+
 dvi: # Don't build dvi docs
 
 EXTRA_DIST +=					\
diff --git a/doc/manual.css b/doc/manual.css
new file mode 100644
index 0000000..b433c4b
--- /dev/null
+++ b/doc/manual.css
@@ -0,0 +1,21 @@
+@media (min-width: 1140px) {
+    body {
+        margin-left: 14rem;
+        margin-right: 4rem;
+        max-width: 52rem;
+    }
+}
+
+@media (min-width: 800px) and (max-width: 1140px) {
+    body {
+        margin-left: 6rem;
+        margin-right: 4rem;
+        max-width: 52rem;
+    }
+}
+
+@media (max-width: 800px) {
+    body {
+        margin: 1rem;
+    }
+}
-- 
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