Add Firefox udpates

Author: libraryax

hide-quantum.sh

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+#!/bin/bash
+# 
+# Based upon [[https://superuser.com/questions/1268732/how-to-hide-tab-bar-tabstrip-in-firefox-57-quantum/1268734#1268734][How to hide tab bar (tabstrip) in Firefox 57+ Quantum]] by [[https://superuser.com/users/162466/vasyanovikov][VasyaNovikov]]
+# This causes the [[https://support.mozilla.org/en-US/questions/1187186][The Back Button is top right under the Red close button on my Mac]] issue.
+# Resolve that by right-clicking the toolbar, then inserting three Flexible Space into the toolbar on the far-left-hand side.
+case $( uname ) in
+"Linux")
+  profile_dir=~/.mozilla/firefox/$( ls -tr ~/.mozilla/firefox/ | grep -v profiles.ini | tail -1 )
+  ;;
+"Darwin")
+  profile_dir=~/Library/Application\ Support/Firefox/Profiles/$( ls -tr ~/Library/Application\ Support/Firefox/Profiles | tail -1 )
+  ;;
+esac
+if [ ! -d  "${profile_dir}"/chrome ] ; then
+  mkdir -p "${profile_dir}"/chrome
+fi
+echo '#TabsToolbar { visibility: collapse !important; }' >> "${profile_dir}"/chrome/userChrome.css

userChrome.css

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+#TabsToolbar { visibility: collapse !important; }
+#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
+  display: none;
+}