Sticky Left Nav

[rhodges]

• [x] Items in left navigation scroll independently from main content panel.
• [x] Items in left navigation do not have a scrollbar if they all fit on screen

[pollardld]

one calculation throwing this off. almost done though.

[pollardld]

Page used for testing: /ecoregion/east-cascades/

Tests:

• items in left nav scroll independently from main content panel
• items in left nav do not have a scrollbar if they all fit on screen

Browsers Tested:

• [x] FF 66; Windows 10
• [x] Chrome 75; Windows 10
• [x] IE 11; Windows 10
• [x] Edge 18; Windows 10
• [x] IE 11; Windows 8.1
• [x] IE 10; Windows 8
• [x] Chrome 76; Mac OS X
• [x] Safari 12.1.1; Mac OS X
• [x] FF 68; Mac OS X