userChrome.css

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

/*toolbarbutton#alltabs-button {
    -moz-binding: url("userChrome.xml#js");
}*/

#navigator-toolbox[fullscreenShouldAnimate] {
	transition: none !important;
}

#ctrlTab-panel {
	background-color: rgba(0,0,0,0.77) !important;
	padding: 23px !important;
	font-weight: normal !important;
	font-size: 10pt;
}

#ctrlTab-panel:nth-child(1) {
	display: flex;
}

.ctrlTab-favicon {
	background-color: transparent !important;
	box-shadow: none !important;
	filter: drop-shadow(2px 2px 5px rgba(0,0,0,0.5));
}

.ctrlTab-preview:focus > .ctrlTab-preview-inner {
	background-color: transparent !important;
	border-color: white !important;
}

.ctrlTab-preview-inner > .ctrlTab-canvas {
	background-color: rgba(0,0,0,0.2) !important;
	border: 0 !important;
}

.ctrlTab-favicon,
.ctrlTab-preview-inner {
	border-radius: 0 !important;
}

#add-ons-button {
	opacity: 0.6;
}

#downloads-indicator-icon {
	opacity: 0.6;
}

#navigator-toolbox {
	--tabs-border-color: rgba(127,127,127,0.2) !important;
}

#urlbar,
.searchbar-textbox {
	box-shadow: none !important;
	border: 1px solid rgba(127,127,127,0.2) !important;
	background-color: transparent !important;
	border-radius: 13px !important;
}

#urlbar[focused="true"],
.searchbar-textbox[focused="true"] {
	border-color: rgba(127,127,127,0.3) !important;
}

.searchbar-search-icon,
#urlbar[pageproxystate="invalid"] > #identity-box > #identity-icon {
	padding-top: 1px !important;
	height: 16px !important;
}

#urlbar > :last-child {
	margin-right: 10px !important;
}

#navigator-toolbox::after {
	border-bottom: none !important;
}

#navigator-toolbox {
	box-shadow: 0 0 5px rgba(0,0,0,0.3) !important;
	padding-bottom: 1px !important;
}

#nav-bar::after,
#nav-bar::before,
#TabsToolbar::after,
#TabsToolbar::before {
	border: none !important;
	background-color: transparent !important;
}

#TabsToolbar {
	box-shadow: 0 -100px 15px -100px rgba(0,0,0,0.1) inset !important;
}

.tabbrowser-tab {
	margin-top: -1px !important;
}

.tabbrowser-tab[selected="true"] {
	box-shadow: 0 10px 15px -5px rgba(0,0,0,0.2), 0 -10px 15px -5px rgba(0,0,0,0.4) !important;
}

:root #tabbrowser-tabs {
	--lwt-accent-color: #6581D8 !important;
}

:root {
	--toolbarbutton-border-radius: 1px !important;
}

toolbar .toolbarbutton-1 > .toolbarbutton-badge-stack {
	border-radius: 50% !important;
}

:root[uidensity=compact] .tab-content {
	padding: 0 7px !important;
}

.tabbrowser-tab {
	height: 8px !important;
	font-size: 8pt !important;
	text-shadow: none !important;
}

.tabbrowser-tab::before,
.tabbrowser-tab::after {
	border: 0 !important;
}

.tab-close-button {
	display: none !important;
}

toolbarbutton.bookmark-item:not(.subviewbutton) {
	border-radius: 1px !important;
	padding: 2px 3px !important;
}

#forward-button,
#reload-button,
#stop-button,
#back-button {
	padding: 0 !important;
	margin: 3px 0 2px 2px !important;
	border-radius: 50% !important;
}

#forward-button:hover,
#back-button:hover, 
#reload-button:hover,
#stop-button:hover {
	background-color: var(--toolbarbutton-hover-background) !important;
}

#forward-button:hover:active,
#back-button:hover:active, 
#reload-button:hover:active,
#stop-button:hover:active {
	background-color: var(--toolbarbutton-active-background) !important;
}

#forward-button > .toolbarbutton-icon,
#back-button > .toolbarbutton-icon,
#reload-button > .toolbarbutton-icon,
#stop-button > .toolbarbutton-icon {
	opacity: 0.6;
	background-color: transparent !important;
}

:root:not([uidensity=compact]) #back-button > .toolbarbutton-icon {
	padding: 9px !important;
}

:root[uidensity=touch] #forward-button,
:root[uidensity=touch] #back-button, 
:root[uidensity=touch] #reload-button,
:root[uidensity=touch] #stop-button {
	padding: 0 2px !important;
}

:root:not([uidensity=compact]) #forward-button > .toolbarbutton-icon,
:root:not([uidensity=compact]) #back-button > .toolbarbutton-icon,
:root:not([uidensity=compact]) #reload-button > .toolbarbutton-icon,
:root:not([uidensity=compact]) #stop-button > .toolbarbutton-icon {
	border: 0 !important;
	width: 34px !important;
}

.tabbrowser-arrowscrollbox > .arrowscrollbox-overflow-start-indicator, /*:not([collapsed])*/
.tabbrowser-arrowscrollbox > .arrowscrollbox-overflow-end-indicator {
	background-image: none !important;
	box-shadow: 1000px 0 15px -1000px rgba(0,0,0,0.1) inset !important;
}

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