В самом начале добавте xmlns атрибут в кореной елемент:
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" preserveAspectRatio="xMinYMin meet" onload="main(evt)">
Do more on the web, with a fast and secure browser!
Download Opera browser with:
- built-in ad blocker
- battery saver
- free VPN