[Alloy] Good way to make this kind of template ?

Hello awesome developer :)

i would like to create a similar template with Alloy.

http://img11.hostingpics.net/pics/425454pagecertificat.png

But I have problems with files tss. I do not know how to do as a template, I have used his I use a vertical layout? horizontal? several layout? I'm confused

Thanks you a lot ;)

Bye