diff --git a/renderer/fifty_ohm_html_renderer.py b/renderer/fifty_ohm_html_renderer.py
index fa6a6ab..0a73fed 100644
--- a/renderer/fifty_ohm_html_renderer.py
+++ b/renderer/fifty_ohm_html_renderer.py
@@ -1,12 +1,14 @@
 from mistletoe import HtmlRenderer
 
 from renderer.comment import Comment
+from renderer.tag import Tag
 from renderer.quote import Quote
+from renderer.underline import Underline
 
 
 class FiftyOhmHtmlRenderer(HtmlRenderer):
     def __init__(self):
-        super().__init__(Comment, Quote)
+        super().__init__(Comment, Quote, Underline, Tag)
 
     def render_comment():
         return None
@@ -15,4 +17,7 @@ class FiftyOhmHtmlRenderer(HtmlRenderer):
         return f"„{self.render_inner(token)}“"
 
     def render_underline(self, token):
-        return f"<u>{self.render_inner(token)}</u>"
\ No newline at end of file
+        return f"<u>{self.render_inner(token)}</u>"
+
+    def render_tag(self, token):
+        return f'<div class="{token.tagtype}">{self.render_inner(token)}</div>'
\ No newline at end of file
diff --git a/renderer/tag.py b/renderer/tag.py
new file mode 100644
index 0000000..05d089b
--- /dev/null
+++ b/renderer/tag.py
@@ -0,0 +1,27 @@
+import re
+
+from mistletoe.block_token import BlockToken, tokenize
+
+
+class Tag(BlockToken):
+
+    @staticmethod
+    def start(line):
+        return re.match(r"^\s*<[^>]+>", line)
+
+    @classmethod
+    def read(cls, lines):
+        child_lines = []
+        first_line = next(lines)
+
+        tagtype = re.match(r"^\s*<([^>]+)>", first_line).group(1)
+
+        for line in lines:
+            if line.startswith(f"</{tagtype}>"):
+                break
+            else :
+                child_lines.append(line)
+        return tagtype, tokenize(child_lines)
+
+    def __init__(self, match):
+        self.tagtype, self.children = match
\ No newline at end of file
diff --git a/test/test_tag.py b/test/test_tag.py
new file mode 100644
index 0000000..57b4bfe
--- /dev/null
+++ b/test/test_tag.py
@@ -0,0 +1,14 @@
+import mistletoe
+
+from renderer.fifty_ohm_html_renderer import FiftyOhmHtmlRenderer
+
+
+def test_tag_html() :
+
+    assertions = {
+        "<margin>\nFoo\n</margin>" : '<div class="margin"><p>Foo</p></div>\n',
+        "<indepth>\nFoo\n</indepth>" : '<div class="indepth"><p>Foo</p></div>\n',
+    }
+
+    for assertion in assertions:
+        assert mistletoe.markdown(assertion, FiftyOhmHtmlRenderer) == assertions[assertion]