Hello there.
I need to make a custom dahsboard layout to get as much information from the dashboard as I can. For this to work I need some informations to be well aligned along the columns.
Is there any possible way to make a section spanning over all of the columns (like a header):

Or maybe there is a way to make a separator spanned across the columns, to separate and align some gadgets below the separator?

I have read this topic: https://confluence.atlassian.com/display/GADGETS/Changing+the+Layout+of+your+Dashboard
yet I'm looking for some workaround for this to work. Maybe some way to alter Jira's code?
I will be thankfull for any answers different than "Can't do." 
Best regards,
Blazej.