fix italic font to bold

app.py

@@ -72,7 +72,7 @@ if __name__ == "__main__":
         gr.Markdown(
             """
             # 👻 Transformers-CFG JSON Demo
-            This is a demo of how you can constrain the output of a GPT-2 model to be a *valid* JSON string(*up to max length truncation*).
+            This is a demo of how you can constrain the output of a GPT-2 model to be a **valid** JSON string(**up to truncation**).
             Here we use a simple JSON grammar to constrain the output of the model.
             The grammar is defined in `json_minimal.ebnf` and is written in the **Extended Backus-Naur Form (EBNF)**.
             
@@ -82,8 +82,8 @@ if __name__ == "__main__":
             The inference is a bit slow because of the inference is run on **CPU(~20s for 30 tokens)**.
             The constraint itself **doesn't** introduce significant overhead to the inference.
             
-            The output may be *truncated* to 30 tokens due to the limitation of the maximum length of the output.
-            In practice, with a decent `max_length` parameter, your JSON output will be *complete* and *valid*.
+            The output may be **truncated** to 30 tokens due to the limitation of the maximum length of the output.
+            In practice, with a decent `max_length` parameter, your JSON output will be **complete** and **valid**.
             """
         )