big font problem

[ramymostafa]

hello all . i have noticed this problem in our forums
i don't know why this appears as in the picture


http://img251.imageshack.us/img251/7420/10202010115451pm.png

http://img232.imageshack.us/img232/7346/10202010115716pm.png


plz.how can i solve this problem

:)
thank you