KDE Enlarge scroll bar width - how to?

[artofit]

Hi,

under KDE,
what’s the procedure to enlarge/change the width of the vertical/horizontal scroll bar in Dolphin, Browser, Mousepad, etc.

Thanks

[Fabby]

Unfortunately, if you have theming going on, by creating your own theme…

[artofit]

Do not see that mentioned.

GTK, is easy:

Enlarge scroll bar width - how to

Create the file ~/.config/gtk-3.0/gtk.css if it doesn’t already exists and paste the following CSS rules in it: scrollbar, scrollbar button, scrollbar slider { min-width: 10px; min-height: 10px; } The min-width value is for the vertical scrollbar and the min-height value is for the horizontal scrollbar. You can change the values according to your liking. After saving the file, you have to logout/login in order to see the changes. Bare in mind that the above CSS rule will change the s…

[Ernest1337]

This feature is missing in Plasma at the moment. This is a link to a bug in the KDE bug tracker regarding this feature: 440749 – enlarge scrollbar width . I think the workaround for now would be to use a custom plasma theme.
The link @Fabby posted is a tutorial for Plasma4. This is the updated version for Plasma5: Creating a Plasma Theme Quickstart | Developer