userChrome.css

/* path: ~/Library/Application\ Support/Firefox/Profiles/f9iui1ry.default-1499302640727/chrome/userChrome.css */

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

#TabsToolbar {
    visibility: collapse !important;
}

#sidebar-header {
  display: none;
}

/* Show title of unread tabs in italic */
.tab.unread .label {
  font-style: italic;
}


/*
 * Auto-hide the URL-bar, show on hover or focus
 *
 * Contributor(s): Alex Vallat
 */
/* :root[uidensity=compact] #navigator-toolbox { */
/*   --nav-bar-height: 33px; */
/* } */
/*  */
/* :root:not([uidensity]) #navigator-toolbox { */
/*   --nav-bar-height: 39px; */
/* } */
/*  */
/* :root[uidensity=touch] #navigator-toolbox { */
/*   --nav-bar-height: 41px; */
/* } */
/*  */
/* #navigator-toolbox { */
/*   --tabbar-height: calc(var(--tab-min-height) + var(--space-above-tabbar) - var(--tab-toolbar-navbar-overlap)); */
/*   --trigger-area-height: 5px; */
/*   --extra-height: 2px; [> Not sure where the extra 2px comes from, but is necessary to line up right <] */
/* } */
/*  */
/* @media (-moz-os-version: windows-win7) { */
/*   [> Windows 7 has an extra 4px top margin when not maximized <] */
/*   :root[sizemode="normal"] #navigator-toolbox { */
/*     --tabbar-height: calc(4px + var(--tab-min-height) + var(--space-above-tabbar) - var(--tab-toolbar-navbar-overlap)); */
/*   } */
/* } */
/*  */
/* #toolbar-menubar { */
/*   margin-top: 0px !important; [> This is usually 0, but under Win7 can be given an extra 1px when not maximized <] */
/* } */
/*  */
/* :root:not([customizing]) #nav-bar */
/* { */
/*   overflow-y: hidden; */
/*   max-height:0; */
/*   min-height:0 !important; */
/*   padding-top:0 !important; */
/*   padding-bottom:0 !important; */
/*   opacity: 0; */
/* } */
/*  */
/* :root:not([customizing]) :hover > #nav-bar, */
/* :root:not([customizing]) #nav-bar:focus-within { */
/*   max-height: var(--nav-bar-height); */
/*   opacity: 1; */
/*   transition: opacity 0.15s ease-in, max-height 0.15s linear; */
/* } */
/*  */
/* :root:not([customizing]) #navigator-toolbox { */
/*   max-height: calc(var(--tabbar-height) + var(--trigger-area-height) + var(--extra-height)); */
/*   min-height: var(--tabbar-height); */
/*   margin-bottom: calc(-1 * var(--trigger-area-height)); */
/* } */
/*  */
/* :root:not([customizing]) #navigator-toolbox:hover, */
/* :root:not([customizing]) #navigator-toolbox:focus-within { */
/*   max-height: calc(var(--tabbar-height) + var(--nav-bar-height) + var(--extra-height)); */
/*   margin-bottom: calc(1px - var(--nav-bar-height)); */
/* } */


/*
 * Make the toolbar extra-compact (similar to v56 with CTR)
 *
 * Applies to Compact density
 *
 * Contributor(s): Alex Vallat
 */

:root[uidensity=compact] #urlbar,
:root[uidensity=compact] .searchbar-textbox {
  font-size: unset !important;
  min-height: 24px !important;
}

:root[uidensity=compact] #identity-box {
  max-height: 22px;
}

:root[uidensity=compact] #nav-bar .toolbarbutton-1 {
  padding: 0px !important;
}

/* Compatibility with auto-hide.css */
:root[uidensity=compact] #navigator-toolbox {
  --nav-bar-height: 31px !important;
}

/*
 * Description: Auto-hide sidebar.
 *
 * Contributor(s): img2tab
 */

/* To right-align the sidebar, replace all occurrences of "left" with "right", and "margin-right" with "margin-left" */

/* :root { */
/*   --sidebar-hover-width: 10px; */
/*   --sidebar-visible-width: 200px; */
/* } */
/*  */
/* #sidebar-box { */
/*   position: relative !important; */
/*   overflow-x: hidden !important; */
/*   margin-right: calc(var(--sidebar-hover-width) * -1) !important; */
/*   left: var(--sidebar-hover-width) !important; */
/*   min-width: var(--sidebar-hover-width) !important; */
/*   max-width: var(--sidebar-hover-width) !important; */
/* } */
/*  */
/* #sidebar-box:hover { */
/*   margin-right: calc(var(--sidebar-visible-width) * -1) !important; */
/*   left: var(--sidebar-visible-width) !important; */
/*   min-width: var(--sidebar-visible-width) !important; */
/*   max-width: var(--sidebar-visible-width) !important; */
/* } */
/*  */
/* #sidebar { */
/*   opacity: 0 !important; */
/* } */
/*  */
/* #sidebar:hover { */
/*   opacity: 1 !important; */
/* } */
/*  */
/* [> #sidebar-header is hidden by default, change "none" to "inherit" to restore it. <] */
/* #sidebar-header { */
/*   display: none !important; */
/* } */
/*  */
/* [> #sidebar-splitter styles the divider between the sidebar and the rest of the browser. <] */
/* #sidebar-splitter { */
/* } */