The blue has the color: 003e90
The light blue/grey: b4c5da
Font is black.
The menu on the left needs 3 sub levels.
The divs on the right, are not accordion like, the never change the place, but depending on the click, the content underneath will change.
"Elemente" is the open one and shows also the hover state for the other 2 menu items.
We need to show 2 or 3 items per row.
On mouseover on the mouse pointers the yellow info box will appear and will hide on mouse out, the width and height of this yellow info box must be flexible.
And important: the complete page needs 100% height as it will run as full screen.
Code must be clean, css class and id names sensible and understandable and maintainable.
The code must pass a validation check and needs to run in all new versions of Firefox, Chrome, Safari and especially IE 6, 7 and 8.