github.com: MrOtherGuy/firefox-csshacks
github.com: Aris-t2/CustomCSSforFx
C:\Users\$user\AppData\Roaming\Comodo\IceDragon\Profiles\ $profile_name .default\chrome\userChrome.css
C:\Users\$user\AppData\Roaming\Mozilla\Firefox\Profiles\$profile_name.default\chrome\ userChrome.css
Sample userChrome.css for Firefox on Linux:
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */
/* Global UI font */
* {
font-family: Noto Sans !important;
font-style: SemiCondensed Light !important;
font-size: 11pt !important;
}
/* Developer tools code font */
.CodeMirror {
font-family: Ubuntu Mono, monospace !important;
font-size: 12pt !important;
}
/* Bookmark font */
#personal-bookmarks .bookmark-item menupopup * {
font-family: Noto Sans !important;
font-style: SemiCondensed Light !important;
font-size:14pt !important;
}
/* Remove URL bar zoom button */
#urlbar-zoom-button {
display:none!important
}
/* Remove tab blur */
.tab-label-container[textoverflow]:not([pinned]) {
mask-image: unset !important;
}
/* Remove tab close button */
.tabbrowser-tab .tab-close-button {
visibility: collapse !important;
}
/* Active Tab Background Color */
.tab-background[selected="true"] {
background-attachment: none!important;
background-color: rgb(91, 255, 107)!important;
background-image: none!important;
background-position: none!important;
background-repeat: none!important;
background-size: none!important;
}
/* Multi-row tabs
https://github.com/Aris-t2/CustomCSSforFx/blob/master/classic/css/tabs/tabs_multiple_lines_v2.css
*/
:root{
--tabs-lines: 4;
--tab_min_width_mlt: 80px;
--tab_max_width_mlt: 200px;
/* --tab-min-height_mlt: var(--tab-min-height,32px); */ /* set own value here, if used without configuration files */
--tab-min-height_mlt: 22px;
}
#tabbrowser-tabs{
min-height: unset !important;
padding-inline-start: 0px !important
}
/* Test for Firefox > 66 */
@supports (inset-block:auto){
#tabbrowser-tabs > .tabbrowser-arrowscrollbox > .arrowscrollbox-scrollbox{
display: flex;
flex-wrap: wrap;
overflow-y: auto;
max-height: calc(var(--tab-min-height_mlt) * var(--tabs-lines));
}
#tabbrowser-tabs > .tabbrowser-arrowscrollbox {
overflow: -moz-hidden-unscrollable;
display: block;
margin-bottom:-1px !important;
}
}
/* Test for Firefox < 66 */
@supports not (inset-block:auto){
#tabbrowser-tabs > .tabbrowser-arrowscrollbox{
min-height: unset !important;
}
#tabbrowser-tabs .scrollbox-innerbox{
display: flex;
flex-wrap: wrap;
}
#tabbrowser-tabs .arrowscrollbox-scrollbox {
overflow: -moz-hidden-unscrollable;
display: block;
}
}
.tabbrowser-tab{
height: var(--tab-min-height_mlt);
}
#tabbrowser-tabs .tabbrowser-tab[pinned]{
position: static !important;
margin-inline-start: 0px !important;
}
.tabbrowser-tab[fadein]:not([pinned]) {
flex-grow: 1;
min-width: var(--tab_min_width_mlt) !important;
max-width: var(--tab_max_width_mlt) !important;
}
.tabbrowser-tab > stack{
width: 100%;
height: 100%;
}
#tabbrowser-tabs .scrollbutton-up,
#tabbrowser-tabs .scrollbutton-down,
#alltabs-button,
:root:not([customizing]) #TabsToolbar #new-tab-button,
#tabbrowser-tabs spacer,
.tabbrowser-tab::after{
display: none !important;
}
#tabbrowser-tabs[overflow="true"] > .tabbrowser-arrowscrollbox > .tabs-newtab-button,
#tabbrowser-tabs:not([hasadjacentnewtabbutton]) > .tabbrowser-arrowscrollbox > .tabs-newtab-button,
#TabsToolbar[customizing="true"] #tabbrowser-tabs > .tabbrowser-arrowscrollbox > .tabs-newtab-button {
visibility: visible !important;
}
/* hide private window indicator, window controls and titlebar placeholders */ #main-window[tabsintitlebar] #TabsToolbar .private-browsing-indicator,
#main-window[tabsintitlebar] #TabsToolbar #window-controls,
#main-window[tabsintitlebar] #TabsToolbar .titlebar-spacer[type="pre-tabs"],
#main-window[tabsintitlebar] #TabsToolbar .titlebar-spacer[type="post-tabs"] {
display: none !important;
}
#TabsToolbar .titlebar-placeholder[type="pre-tabs"],
#TabsToolbar .titlebar-placeholder[type="post-tabs"] {
opacity: 0 !important;
}
/* hide tab borders set by Firefox 58+ to solve 'blank space below tabs' issue */
.tabbrowser-tab::after,
.tabbrowser-tab::before {
border-left: unset !important;
border-image: unset !important;
border-image-slice: unset !important;
border: 0 !important;
}
/* Fx66+ tab close fix */
#TabsToolbar #tabbrowser-tabs .tabbrowser-tab:not([pinned]) .tab-close-button {
visibility: hidden !important;
display: block !important;
}
#TabsToolbar #tabbrowser-tabs .tabbrowser-tab[pinned] .tab-close-button {
visibility: hidden !important;
display: block !important;
-moz-margin-start: -18px !important;
}
/* fix scrollbar */
#main-window[tabsintitlebar] #tabbrowser-tabs {
-moz-window-dragging: no-drag !important;
}
/* End Multi-row Tabs */sample userChrome.css for Firefox on Windows:
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
/* Bookmark font */
#personal-bookmarks .bookmark-item menupopup * {
font-size:14pt !important;
}
/* Multi-row tabs */
/* Tab reordering will not work and can't be made to work */
/* You can use multi-row_tabs_window_control_patch.css to move window controls to nav-bar*/
/* It's recommended to move tabs new-tab-button outside tabs toolbar */
/* Change the --multirow-n-rows to change maximum number of rows before the rows will start to scroll */
/* Scrollbar can't be clicked but the rows can be scrolled with mouse */
/* This maximum visible rows won't work before Fx66 */
/* So this setting does nothing on Fx65 and all tab rows will be shown */
:root{
--multirow-n-rows: 3;
--multirow-tab-min-width: 100px;
--multirow-tab-dynamic-width: 1; /* Change to 0 for fixed-width tabs using the above width. */
}
#tabbrowser-tabs{
min-height: unset !important;
padding-inline-start: 0px !important
}
/* Test for Firefox > 66 */
@supports (inset-block:auto){
#tabbrowser-tabs > .tabbrowser-arrowscrollbox > .arrowscrollbox-scrollbox{
display: flex;
flex-wrap: wrap;
overflow-y: auto;
max-height: calc(var(--tab-min-height) * var(--multirow-n-rows));
scrollbar-color: var(--toolbar-bgcolor) var(--lwt-accent-color);
scrollbar-width: thin;
}
#tabbrowser-tabs > .tabbrowser-arrowscrollbox {
overflow: -moz-hidden-unscrollable;
display: block;
}
}
/* Test for Firefox < 66 */
@supports not (inset-block:auto){
#tabbrowser-tabs > .tabbrowser-arrowscrollbox{
min-height: unset !important;
}
#tabbrowser-tabs .scrollbox-innerbox{
display: flex;
flex-wrap: wrap;
}
#tabbrowser-tabs .arrowscrollbox-scrollbox {
overflow: -moz-hidden-unscrollable;
display: block;
}
}
.tabbrowser-tab{ height: var(--tab-min-height); }
#tabbrowser-tabs .tabbrowser-tab[pinned]{
position: static !important;
margin-inline-start: 0px !important;
}
.tabbrowser-tab[fadein]:not([pinned]){
min-width: var(--multirow-tab-min-width) !important;
flex-grow: var(--multirow-tab-dynamic-width);
/*
Uncomment to enable full-width tabs, also makes tab dragging a tiny bit more sensible
Don't set to none or you'll see errors in console when closing tabs
*/
/*max-width: 100vw !important;*/
}
.tabbrowser-tab > stack{ width: 100%; height: 100% }
#tabbrowser-tabs .scrollbutton-up,
#tabbrowser-tabs .scrollbutton-down,
#alltabs-button,
:root:not([customizing]) #TabsToolbar #new-tab-button,
#tabbrowser-tabs spacer,
.tabbrowser-tab::after{ display: none !important }
/* End multi-row tabs */
/* Hide close button on tabs */
#TabsToolbar #tabbrowser-tabs .tabbrowser-tab:not([pinned]) .tab-close-button {
visibility: hidden !important;
display: block !important;
opacity: 0 !important;
-moz-margin-end: -16px !important;
}
#TabsToolbar #tabbrowser-tabs .tabbrowser-tab[pinned] .tab-close-button {
visibility: hidden !important;
display: block !important;
opacity: 0 !important;
-moz-margin-start: -18px !important;
}
/* End hide close button on tabs */