Show www and https in Chrome omnibar

[OBSOLETE the steady-state options are gone from Chrome – need to find another way]

To prevent chrome from removing “trivial” subdomains follow these steps:

  1. Go to: chrome://flags/#omnibox-ui-hide-steady-state-url-scheme-and-subdomains.
  2. Find “Omnibox UI Hide Steady-State URL Scheme” and change it to Disabled.
  3. Find “Omnibox UI Hide Steady-State URL Trivial Subdomains” and change it to Disabled.
  4. Click “Relaunch Now” .

Multi Row Tabs in Firefox Quantum

[OBSOLETE stopped working with firefox 71]

The Tab Mix Plus addon stopped working with v57 :-(

  1. Open about:config and set toolkit.legacyUserProfileCustomizations.stylesheets to true.
  2. Open a new tab on about:support
  3. Click the button next to “Profile Folder”
  4. Go to the “chrome” directory at the profile folder, or create it if it doesn’t exist.
  5. Create a file named “userChrome.css” (if it doesn’t exist) and open it in a text editor.
  6. Copy the css code from
    (copy of the css is at the bottom of this post)
  7. Paste it into userChrome.css and save.
  8. Restart Firefox

Update for v58: Changed .tabbrowser-tabs to #tabbrowser-tabs.

Update for v65: Removed #titlebar related stuff


.tabbrowser-tab:not([pinned]) {
.tabbrowser-tab,.tab-background {
.tab-stack {
    width: 100%;
#tabbrowser-tabs .scrollbox-innerbox {
    display: flex;
    flex-wrap: wrap;
#tabbrowser-tabs .arrowscrollbox-scrollbox {
    overflow: visible;
    display: block;
#tabbrowser-tabs .scrollbutton-up,#tabbrowser-tabs .scrollbutton-down,#alltabs-button,.tabbrowser-tab:not([fadein]){
    display: none;
#main-window[sizemode="maximized"] #TabsToolbar{
    height:var(--tab-min-height) !important;
    margin-bottom:calc(var(--tab-min-height)*-1) !important;
#main-window[sizemode="maximized"] #titlebar{
    margin-bottom:calc(6px + var(--tab-min-height)*-1) !important;
    margin-bottom:0 !important;
#titlebar:active #titlebar-content{
    margin-bottom:var(--tab-min-height) !important;

Based on instructions here.