Wordpress font appearance in Chrome and FF
As I understand it Astrum already has Open Sans as a web font, and I can see this line at the beginning of the first <style> tag on your blog iccube.com/blog-iccube/
@import url(http://fonts.googleapis.com/css?family=Open+Sans:400,800,300,700);Can you try commenting out that @import line and see if that helps?
EDIT:
The above suggestion did not work, so recommended commenting out any @font-face rules for Open Sans in the theme style.css. (See comments)