Why, the svg circle is not displayed on ios?

In chrome all right. But in Safari the element circle is just not displayed. Although all other items (lines, path) working.
<svg xmlns="http://www.w3.org/2000/svg" xlink="http://www.w3.org/1999/xlink">
 <circle id="dot" cx="0" cy="0"/>

 fill: #639A6C;
 stroke: none;
 r: 20;

What could be the problem?
July 8th 19 at 11:19
1 answer
July 8th 19 at 11:21
Here so will work, but if you want to change the size use the length of the border, so here's an example.

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