Set Scroll Bar style for Individual Application in OS X
defaults write NSGlobalDomain AppleShowScrollBars -string "Always" defaults write NSGlobalDomain AppleShowScrollBars -string "WhenScrolling" defaults write NSGlobalDomain AppleShowScrollBars -string "Automatic"
ProTip™: It's recommended to set Always for web browsers if you are developing web pages on a trackpad-only macOS device as you may be suprised at how crappy your scrollable containers look like.
defaults write com.google.Chrome AppleShowScrollBars -string "Always" defaults write com.google.Chrome.canary AppleShowScrollBars -string "Always" defaults write com.apple.Safari AppleShowScrollBars -string "Always" defaults write org.webkit.nightly.WebKit AppleShowScrollBars -string "Always" defaults write org.mozilla.firefox AppleShowScrollBars -string "Always" defaults write org.mozilla.firefoxdeveloperedition AppleShowScrollBars -string "Always" defaults write org.mozilla.nightly AppleShowScrollBars -string "Always" defaults write org.mozilla.tor\ browser AppleShowScrollBars -string "Always"