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At the moment, there is a rather limited functionality in the personal account for changing the widget's visual. If you want a unique solution for your site, then there is such an option:
1) Create your own button and place it in the desired location
2) Install our widget on the website
3) Use styles (CSS) to hide our button
4) After loading the widget, show your button
5) Configure it so that when you click on your button, the action goes to our
*soon we will post our public API and it will be very convenient to customize the appearance of our widget through it