This widget adds a button
| 1 | add_google_style_button(my_html, into = "<body>", material_id, ...)
 | 
| my_html | html in a vector of strings; output from 'create_html'. | 
| into | character string; unique identifier of a line in the html. Element id is highly recommended. | 
| material_id | Material id from google material design, e.g. play_circle_outline. More other options, see https://material.io/icons/. | 
| ... | Other parameters to be passed as tag attributes. | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.