Feel free to customize it as you wish, therefore editing only the borders or header or anything really. Also, if you make changes, please remember to back up your changes in either a new script, or in a text file somewhere you can access it in case of trouble.
Any changes, you can, of course, delete from the code.

2014 OCT 30
. adds borders to the posts, while post comment/text/tags/title do not gain another additional inner border, yay. Also I have noticed the border is somewhat slimmer that what is used to be, hope that is not too much trouble.
. edited header: can be scrolled, moved navigation icons around
. Moved the navigation (on pages beyond dashboard) around a bit
. fixed paddings on pagination and navigation, n icons and posts, such things, nah
. TUMBLR. logo moved where it was
. >> Tumblr logo no more jumps around as you resize window (i went stupid, apologies)
. >>>> Now it really, really stays where it's supposed to. I hope. Oh dear, what is going on.
. icon notifications (new post, new message) are red again

* the J-K scrolling is a bit off, because it automatically counts the bottom of header = top of page, therefore there is a bit of the end of previous post shown at the top. I have no idea how to fix it yet

I am still awaiting the search-box change that is happening around tumblr, I can't see the changes yet on my dashboard.
Also concerning the new dashboard posts typography changes: I will most probably create another script for that alone, as soon at the class & id names stabilize. I have it written already but I want to be sure there are no problems.
>> I have it written and it works ok so far, but the margins are a bit off, i will probably upload it soon..

Update 2015 FEB 2
added borders now when you upload/create/edit a post, added in the code as new section.
>> I updated it and it should work now

Update 2015 FEB 5
- navigation button width edited
- finally uploaded the text-editign script, works with this one, to be found here:
http://freestyler.ws/style/108694/tumblr-typography-text-fix

Update 2015 FEB 6 (~4 updates)
- completely remade the reblog/edit/create parts of the script because there were some problems.
- any changes on this part of tumblr can be reversed by deleting the second part of script.

UPDATE 2015 FEB 13
. >> edited part /*borders*/, there were alignment problems with tags, padding/margin exchange and positioning. this should cause no problems.
. >> edited header and it's alignment with post body... (left and right padding in .l-header)

UPDATE 2015 DEC 09
. >> well, it's been some time.. tumblr did a lot of changes, I kinda gave up in between but here u go, hope it is at least a bit usable..
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