Merge pull request 'Make style generator handle the default section properly.' (#3) from renderer-options into master

Reviewed-on: raoul/python-chordpro#3

src/chordpro/renderers/html.py

@@ -414,6 +414,10 @@ def get_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 = []
+    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: