From 9cf4bbd8701f61ec3c04a6e517ebf5e09e0c71c4 Mon Sep 17 00:00:00 2001
From: Alex Cabal <alex@standardebooks.org>
Date: Fri, 21 Jul 2023 10:30:29 -0500
Subject: [PATCH] Update core CSS to new standards

---
 src/epub/css/core.css | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/epub/css/core.css b/src/epub/css/core.css
index 7d125ba..6d8c92c 100644
--- a/src/epub/css/core.css
+++ b/src/epub/css/core.css
@@ -45,6 +45,32 @@ hgroup{
 	text-align: center;
 }
 
+/* simulate h3 in an hgroup */
+hgroup h2 + p{
+	font-size: 1.17em;
+}
+
+/* simulate h4 in an hgroup */
+hgroup h2 + p + p,
+hgroup h3 + p{
+	font-size: 1em;
+}
+
+/* simulate h5 in an hgroup */
+hgroup h2 + p + p + p,
+hgroup h3 + p + p,
+hgroup h4 + p{
+	font-size: .83em;
+}
+
+/* simulate h6 in an hgroup */
+hgroup h2 + p + p + p + p,
+hgroup h3 + p + p + p,
+hgroup h4 + p + p,
+hgroup h5 + p{
+	font-size: .67em;
+}
+
 hgroup > *{
 	font-weight: normal;
 	margin: 0;
@@ -54,6 +80,10 @@ hgroup > *:first-child{
 	font-weight: bold;
 }
 
+hgroup > p{
+	text-indent: 0;
+}
+
 p.continued,
 h2 + p,
 h3 + p,