Artifacts appear when saving SVG. What's the matter?

Question

css

I save the picture in illustratore

in SVG 1.1 format. when opened in the Chrome Opera Mozila browser, artifacts appear: some of the objects unfold.

first time I've come across something like this

Answer 1

They have properties that are not supported by SVG and the browser. All expand

Answer 2

rejoice that you have discovered new "images". A teapot on a selfie stick is something)))!

Answer 3

Flatten each icon into curves. There should be no groups or strokes left, just an outline. Should help.