Chrome Theme Creator

I want to make Google Chrome, a GTK3 application, match the colour scheme of my GTK2 theme that I am using with Xfce 4.12. I am using Murrina Gilouche, which has been among my favourite ones for many years. I can’t compile, say Chromium, against GTK2, so I want to make at least the colours of Chrome consistent with it.
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GTK3 scrollbar arrows

I am not particularly happy with the lack of scrollbar arrows in application windows. Unfortunatelly, this is the default behaviour of GTK3 programs. I already dealt with GTK3 programs automatically hiding the scrollbars, so I decided to get the arrows back, as well.
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Multiple SWAP partitions

Whenever I do an install, I always create a swap partition. But how about, if I have several hard disk and I am not sure which one would be best? Or if I do not want to waste too much space of a single hard disk? Or just because.
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Wacom input drivers

I bought a Wacom Intuos CTL-4100, since I need to draw some schemes during online meetings and I am really bad with the mouse. I installed libwacom and xournalpp from SBo.  Everything works as it should on Slackware -current, however it does not work on 14.2.
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Venn diagrams online

I’ve been preparing some figures, where I need to include Venn diagrams. I am looking to make them proportional to the values. So far, I have not found a way to do this in Gnumeric, WPS Office LibreOffice or OpenOffice.org. I guess, I should find the time to learn a little bit more of R. Meanwhile, I’ve been searching for a quick solution online.

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