From ba0e53ee6a51c822ca3027f3403172d47c33eace Mon Sep 17 00:00:00 2001
From: Raoul Snyman <raoul@snyman.info>
Date: Tue, 3 Aug 2021 00:05:22 -0700
Subject: [PATCH] Create a get_option_groups() method to return the groups,
 which are now built dynamically

---
 src/chordpro/renderers/html.py | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/chordpro/renderers/html.py b/src/chordpro/renderers/html.py
index 873b1ce..35c2d26 100644
--- a/src/chordpro/renderers/html.py
+++ b/src/chordpro/renderers/html.py
@@ -345,7 +345,7 @@ HTML_OPTIONS = {
         'group': 'chord'
     }
 }
-OPTION_GROUPS = set([option['group'] for option in HTML_OPTIONS.values()])
+_OPTION_GROUPS = []
 
 
 def get_options(group=None):
@@ -356,9 +356,21 @@ def get_options(group=None):
         return {key: value for key, value in HTML_OPTIONS.items() if value['group'] == group}
 
 
+def get_option_groups():
+    if not _OPTION_GROUPS:
+        for option in HTML_OPTIONS.values():
+            if option['group'] not in _OPTION_GROUPS:
+                _OPTION_GROUPS.append(option['group'])
+    return _OPTION_GROUPS
+
+
 def make_style(name, font=None, size=None, is_bold=None, is_centered=None, is_upper=None, indent=None):
     """Build a CSS style"""
-    styles = ['.{name} {{'.format(name=name)]
+    styles = []
+    if name == 'default':
+        styles.append('html, body, * {')
+    else:
+        styles.append('.{name} {{'.format(name=name))
     if font:
         styles.append('  font-family: \'{font}\';'.format(font=font))
     if size:
@@ -377,7 +389,7 @@ def make_style(name, font=None, size=None, is_bold=None, is_centered=None, is_up
 
 def generate_option_styles(options):
     styles = []
-    for group in OPTION_GROUPS:
+    for group in get_option_groups():
         kwargs = {}
         for key in STYLE_KEYS:
             name = '{group}_{key}'.format(group=group, key=key)