It seems that there is a problem rendering the Typekit font that you used. Please kindly go to X > Fonts and click on the Clog icon in the left section of the screen and click on the Typekit tab:
Set the correct information there. You can read more about how to obtain the information here:
After that, the font in question will be available in the Font Manager and you can select that. But then you need to go to X > Theme Options and enable the Font Manager and set the fonts properly for body and heading and if you used the Elements set the fonts correctly there. For more information:
Please do not use the Typekit extension which is an old way of embedding the Typekit. Thank you.