Error CuteNews 1.50

Hello, I come here to report a mistake first'm Brazilian. Well I managed to install CuteNews on my website, but when I went to see it was not where I put for example: I put it in a box with pictures in the background when I sent my hosting all ugly he was all messed up. If you can not understand what I'm saying into my site and view: roolvibe.heliohost.org. My website is in php format, do not know if I put some in dreamweaver but is causing my site get all messy, and intereçante and when I'll press the button read, but it returns to normal.
Sincerely,
Wonra.

Prior to read but it is in index.php:

After you press the button but read: