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Scrollbars are still there if you want them.
The OP is referring to scrollbar arrows, not scrollbars in general. Here's what they looked like to refresh your memory:
Arrows.png
 
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El Capitan re-adds support for Classic (OS 9) programmes though. In related news, the new iMac from 13 October 2015 features a floppy disk drive as well as an SCSI port.
 
Restore scrollbar arrows by installing 1995 into virtualization.
 
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