various improvements

cookbook/helper/mdx_attributes.py

@@ -7,7 +7,7 @@ class StyleTreeprocessor(Treeprocessor):
     def run_processor(self, node):
         for child in node:
             if child.tag == "table":
-                child.set("class", "table table-bordered")
+                child.set("class", "markdown-body")
             if child.tag == "img":
                 child.set("class", "img-fluid")
             self.run_processor(child)

cookbook/helper/template_helper.py

@@ -70,7 +70,7 @@ def render_instructions(step):  # TODO deduplicate markdown cleanup code
     parsed_md = md.markdown(
         instructions,
         extensions=[
-            'markdown.extensions.fenced_code', TableExtension(),
+            'markdown.extensions.fenced_code', 'markdown.extensions.sane_lists', 'markdown.extensions.nl2br', TableExtension(),
             UrlizeExtension(), MarkdownFormatExtension()
         ]
     )