diff --git a/pyproject.toml b/pyproject.toml
index 1c6f8fe..bd514a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "plba"
-version = "0.3.8"
+version = "0.3.10"
 description = "Platform runtime for business applications"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/src/app_runtime/control/trace_presenter.py b/src/app_runtime/control/trace_presenter.py
index cb5d815..0937a12 100644
--- a/src/app_runtime/control/trace_presenter.py
+++ b/src/app_runtime/control/trace_presenter.py
@@ -109,7 +109,7 @@ class TraceResponseRenderer:
       margin: 0;
       background: var(--bg);
       color: var(--fg);
-      font: 15px/1.45 "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
+      font: 12px/1 "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
     }}
     .page {{
       padding: 14px 16px 24px;
@@ -186,6 +186,7 @@ class TraceResponseRenderer:
                 lines.append(self._html_plain_line(""))
             elif current_step != previous_step:
                 lines.append(self._html_plain_line(""))
+                lines.append(self._html_plain_line("--------------------------------------------------"))
                 lines.append(self._html_plain_line(escape(current_step)))
                 lines.append(self._html_plain_line(""))
             previous_step = current_step
diff --git a/tests/test_trace_endpoint.py b/tests/test_trace_endpoint.py
index e61f6f0..b58211c 100644
--- a/tests/test_trace_endpoint.py
+++ b/tests/test_trace_endpoint.py
@@ -204,12 +204,14 @@ def test_trace_endpoint_returns_html_page_with_related_links() -> None:
     assert "background: var(--bg);" in response.text
     assert "--bg: #000000;" in response.text
     assert "--fg: #cfcfc2;" in response.text
+    assert 'font: 12px/1 "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;' in response.text
     assert '<div class="line">trace_id: <a href="/traces/trace-1?format=html&amp;levels=ERROR%2CWARNING%2CINFO&amp;attrs_json=true">trace-1</a></div>' in response.text
     assert '<div class="line">parent_id: <a href="/traces/parent-1?format=html&amp;levels=ERROR%2CWARNING%2CINFO&amp;attrs_json=true">parent-1</a></div>' in response.text
     assert '<div class="line">child_ids:</div>' in response.text
     assert '<div class="line"> - <a href="/traces/child-1?format=html&amp;levels=ERROR%2CWARNING%2CINFO&amp;attrs_json=true">child-1</a></div>' in response.text
     assert '<div class="line"> - <a href="/traces/child-2?format=html&amp;levels=ERROR%2CWARNING%2CINFO&amp;attrs_json=true">child-2</a></div>' in response.text
     assert '<div class="line">load_stocks</div>' in response.text
+    assert '<div class="line">--------------------------------------------------</div>' in response.text
     assert '<div class="line">filter_stocks</div>' in response.text
     assert "loaded prices" in response.text
     assert "filtered suspicious ticker" in response.text