Hello,

You can get svg icon online or you can also put png icon there.

https://www.flaticon.com/

https://icons8.com/icons/set/svg

You can replace svg icon code in HTML file, please check the following URLs.

check:

https://prnt.sc/1sx9y6z

https://prnt.sc/1sxada3

 https://prnt.sc/1sx9ptt

Thanks