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Get into Admin Panel > Appearance > Customize > Additional CSS > Paste the below css code inside the text area > Save All.
#toTop {background: url(themes-demo.com/orga/wp-content/themes/orga/css/../images/[email protected]) no-repeat right bottom !important; }
You have to change a background image URL as per your need.
Note : we are always looking for ways to improve the quality of our theme, services, and customer support. If you have a moment, kindly rate us. Have a look at the video for the rating process.
http://recordit.co/YqdTBuEJRm
Hoping for a 5 star rating from your end 🙂