I have been able to add some HTML in my Jupyter Notebook (run on Collab) in the Markdown (Text) part by just adding the HTML code:
<input type="radio" id="html" name="fav_language" value="HTML">
<label for="html">HTML</label><br>
<input type="radio" id="css" name="fav_language" value="CSS">
<label for="css">CSS</label><br>
<input type="radio" id="javascript" name="fav_language" value="JavaScript">
<label for="javascript">JavaScript</label>
I wanted to add some radio buttons: they display correctly

... but they behave as "checkboxes" (i.e. you can have several selection).
Maybe it's because the CSS part is not handled properly or the name is not stored?
Anyhow, any idea on how to have proper rendering of radio buttons?
Thanks
