Stars in the feed need white space

[fuddl]

When displaying the review feed in different feed readers, the stars have no space between them:

this is what it looks like in reeder

on the web, the stars have a padding applied with css which is not avalible in any feed reader:

I propose to do either of these:

1. add a space between stars, or
2. use plain text instead (★★★☆☆), or
3. add white space inside the images