docs: lighter pink

docs/conf.py

@@ -19,6 +19,8 @@ html_theme_options = {
     'head_font_family': "Georgia, serif",
     'fixed_sidebar': True,
     'show_powered_by': False,
+    'pink_2': 'fffafaf',
+    'pink_1': '#fff0f0',
 }
 htmlhelp_basename = 'mitogendoc'
 intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}