Honestly, if I did not read your initial post I would not have know what the site did off the bat. The content boxes need to be more viewable so I would know it is there I have to input something....
The content after "online coaching and training" right after the paragraph should be aligned better or show more definition because "Web Platform Courses" content looks way too close to "Designer...
Did you copy and paste the text into the page or did you simply write them in? If you copied and pasted the text then you will need to remove the formating from them to allow them to get the default...
It seems as though you have fixed div instead of having it fluid. You have restricted your content within a confined space that is why it will not move freely to different browser resolutions. Trying...
To add to cbVision's input, you can also use http://browsershots.org/ which would give you a list of shots only. It works well if you are just looking for how it will look and not really function.
I just have a couple of questions...
1. Is it only one page you require to be password protected or several pages?
2. Is this a CMS you are using (ie wordpress, joomla, drupal) or maybe a php page...