Firefox-Minimal-Responsive-Theme/userChrome.css

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");


/* Contextual toolbar buttons, only show on hover, this is what matters, the rest of the file are just style tweaks I like
 */

:root:not([customizing]) #nav-bar toolbarbutton,
:root:not([customizing]) #nav-bar .urlbar-page-action {
	margin-left: -28px !important;
	opacity: 0 !important;
	transform: scale(.85, .85) !important;
	pointer-events: none !important;
	transition: all 100ms var(--animation-easing-function) !important;
}

:root:not([customizing]) :hover>#nav-bar toolbarbutton,
:root:not([customizing]) #navigator-toolbox:focus-within #nav-bar toolbarbutton,
:root:not([customizing]) :hover>#titlebar toolbarbutton,
:root:not([customizing]) :hover #nav-bar .urlbar-page-action {
	transform: scale(1, 1) !important;
	opacity: 1 !important;
	margin-left: 0 !important;
	pointer-events: auto !important;
}

/* url bar text shrinks when in "stealth mode" */
#nav-bar #urlbar {
	font-size: 0.85em !important;
	transition: all 100ms var(--animation-easing-function) !important;
}

:root:not([customizing]) :hover>#nav-bar #urlbar,
:root:not([customizing]) #navigator-toolbox:focus-within #nav-bar #urlbar {
	font-size: 1.2em !important;
}

/* hide spacers when not hovered */
:root:not([customizing]) #nav-bar toolbarspring {
	display: none;
}
:root:not([customizing]) :hover>#nav-bar toolbarspring,
:root:not([customizing]) #navigator-toolbox:focus-within toolbarspring {
	display: -moz-box;
}

/* Change tab max width */
/*
.tabbrowser-tab[fadein]:not([pinned]) {
	max-width: 300px !important;
}
.tabbrowser-tab:not([selected]):hover {
	min-width: 300px !important;
	transition: min-width 150ms var(--animation-easing-function) !important;
}
*/

/* random style tweaks I like */
/*
Remove borders everywhere, some code copied from edge style for firefox
*/

.tabbrowser-tab::after,
.tabbrowser-tab::before {
	border-left: none !important;
}

#urlbar,
.searchbar-textbox {
	border: none !important;
	box-shadow: none !important;
}

#nav-bar {
	margin-top: 0px !important;
	border-top: 0px !important;
	box-shadow: none !important;
}

/* nav bar is semi opaque when unhovered */
#nav-bar>* {
	opacity: 0.5;
	transition: opacity 0.3s;
}

#nav-bar:hover>* {
	opacity: 1 !important;
}

#urlbar {
	border-radius: 5px!important;
}

:root:not([customizing]) :not(:hover) #urlbar {
	background-color: transparent!important;
}

:root:not([customizing]) :hover #urlbar,
:root:not([customizing]) #navigator-toolbox:focus-within #urlbar {
	background-color: rgba(100, 100, 100, 0.5)!important;
}

#urlbar {
	opacity: 1 !important;
}

#urlbar .urlbar-input-box {
	opacity: 1 !important;
}

#urlbar,
.searchbar-textbox {
	border: 0px !important;
	height: 20px !important;
}

#urlbar {
	margin-left: 1px !important;
	margin-right: 1px !important;
}

.tab-background {
	border-top: none !important;
}

.tabs-newtab-button,
#new-tab-button,
#alltabs-button {
	color: rgba(240, 240, 240, 1);
	border-top: 0px !important;
	margin-bottom: 0px !important;
}


window:not([chromehidden~="toolbar"]) #urlbar-container>.toolbarbutton-1:-moz-any([disabled], :not([open]):not([disabled]):not(:active))>.toolbarbutton-icon[class],
#main-window:not([customizing]) #back-button[disabled]>.toolbarbutton-icon[class] {
	box-shadow: none !important;
	border: 0px !important;
}

/* bookmarks toolbar edge style */

toolbarbutton.bookmark-item {
	border: 1px rgba(0, 0, 0, 0) solid !important;
}

toolbarbutton.bookmark-item:hover {
	background-color: rgba(75, 75, 75, 1);
	border: 1px rgba(75, 75, 75, 1) solid !important;
}

.titlebar-placeholder[type="post-tabs"] {
	width: 50px !important;
}

#TabsToolbar {
	margin-bottom: 0px !important;
}

#navigator-toolbox::after {
	border-bottom: 0px !important;
}


#TabsToolbar .tab-background {
	border-right: 0px !important;
	border-left: 0px !important;
}

.scrollbutton-up,
.scrollbutton-down {
	margin-bottom: 0px !important;
}

.scrollbutton-up:hover,
.scrollbutton-down:hover {
	background: rgba(42, 42, 42, 1);
}

.scrollbutton-up:hover:active,
.scrollbutton-down:hover:active {
	background: #444;
}

.tabs-newtab-button .toolbarbutton-icon {
	background: transparent;
}

#urlbar,
.searchbar-textbox {
	box-shadow: none !important;
}

.close-icon>.toolbarbutton-icon {
	border-radius: 0px !important;
}

#TabsToolbar[movingtab] {
	padding-bottom: 0px !important;
}

#TabsToolbar[movingtab]>.tabbrowser-tabs {
	padding-bottom: 0px !important;
	margin-bottom: 0px !important;
}

#new-tab-button>.toolbarbutton-icon,
#alltabs-button>.toolbarbutton-icon {
	background-color: transparent;
}

:root {
	--toolbarbutton-border-radius: 0px !important;
}

#context-back>.menu-iconic-left,
#context-forward>.menu-iconic-left,
#context-reload>.menu-iconic-left,
#context-stop>.menu-iconic-left,
#context-bookmarkpage>.menu-iconic-left {
	padding: 0px !important;
}

#tabbrowser-tabs {
	--tab-line-color: -moz-win-accentcolor !important;
	--tab-loading-fill: -moz-win-accentcolor !important;
	box-shadow: none !important;
}

#tabbrowser-tabs:-moz-window-inactive {
	--tab-line-color: rgb(128, 128, 128) !important;
}

.webextension-browser-action {
	filter: saturate(0%);
}


:root[lwtheme-image]:-moz-lwtheme-brighttext {
	text-shadow: none !important;
}


/*
 * Only show close buttons on background tabs when hovering with the mouse
 *
 * Contributor(s): Timvde
 */

.tabbrowser-tab:not([selected]):not([pinned]) .tab-close-button {
	display: none !important;
}

.tabbrowser-tab:not([selected]):not([pinned]):hover .tab-close-button {
	display: -moz-box !important;
}

/*
 * Underlines and dims unloaded tabs
 *
 * Contributor(s): josemam
 */

.tabbrowser-tab[pending] {
	font-style: italic;
}


toolbarspring {
	min-width: 8px;
	max-width: 8px;
}