Because the files aren't where you told your css they would be:
http://www.hydro-cleansing.com/minisites/template2/fonts/avantgardebook/avantgardebook-webfont.woff
gives 404
The .ttf files is there, which is why Chrome is right.
Additionally, there are other resources that are returning 404 errors:
- http://www.hydro-cleansing.com/minisites/template2/fonts/avantgardebook/avantgardebook-webfont.woff
- http://www.hydro-cleansing.com/minisites/template2/fonts/impact/impact-webfont.woff
- http://megareel.co.uk/services/template/slider/skins/fullwidth/skin.css
- http://www.hydro-cleansing.com/minisites/img/gallery/lightbox/close.png
- http://www.hydro-cleansing.com/minisites/img/gallery/lightbox/loading.gif
- http://www.hydro-cleansing.com/minisites/img/gallery/lightbox/prev.png
- http://www.hydro-cleansing.com/minisites/img/gallery/lightbox/next.png
And you have a JavaScript error: Uncaught TypeError: Cannot read property 'offsetWidth' of null main.js:40