To use a picture from your computer as your background, upload it to a free image hosting site. The site will give you the image's URL after uploading. Paste that URL into your Tumblr HTML code as ...

This code creates a CSS class named redBorder. If one of your HTML img tags references this class, site visitors see a solid red border around the image when viewing it on your webpage.

Safari 14 offers the option of setting your own background directly in the browser meaning you can now personalise your home screen in Safari with a photograph or image of your choice.