dmitrygr

All ok now!
/wp-content/plugins/tweeter-a-twitter-widget/styles.css
remove *{margin:0; padding:0;}
update to wp 2.9 is not guilty.

I have running flexibility2 and after update to wp 2.9 the content appears unformatted ??
on 2.8 it’s all ok.
Sorry for my wrong English.