I have some problems with Lucid Lime style. Some titles are labeled by a line, how i fix it?

http://www.reptargentina.com

i mean the title... without format

Your Portal Version: 2.0.0b1 Your phpBB Type: Standard phpBB3 MODs installed: No Your knowledge: Beginner What have you done before the problem was there? Nothing What have you already tryed to solve the problem? Note Description and Message I have problem. i have intall the portal and add the them...