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+# userChrome.css
+
+This is a collection of my UserChrome scripts, may be seperated, more than likely not. 
+
+```
+#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar > .toolbar-items {
+  opacity: 0;
+  pointer-events: none;
+}
+#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
+    visibility: collapse !important;
+}
+
+#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
+  display: none;
+}
+
+/*Collapse in default state and add transition*/
+#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] {
+    overflow: hidden;
+    min-width: 40px;
+    max-width: 40px;
+    border-right: 1px solid #ccc;
+    z-index: 2;
+}
+
+/*Expand to 260px on hover*/
+#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"]:hover,
+#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar {
+  min-width: 260px !important;
+  max-width: 260px !important;
+  z-index: 1;
+  margin-right: -202px !important;
+}
+
+:root {
+  --sidebar-width: 58px;
+  --toolbar-height: -50px;
+  --menubar-height: -75px;
+  --toolmenubar-height: -80px;
+  --sidebar-padding: calc(var(--sidebar-width) + 5px);
+}
+
+
+#main-window #PersonalToolbar {
+    margin-left: var(--sidebar-width);
+}
+
+/* lock sidebar to height by doing the inverse margin of the toolbar element */
+#sidebar-box {
+  z-index: 1000 !important;
+  position: relative!important;
+  margin-top: var(--menubar-height) !important;
+  border-right: 1px solid #ccc;
+}
+
+#main-window[title^="Firefox Developer Edition"] #sidebar-box {
+  margin-top: var(--toolmenubar-height) !important;
+}
+
+/* lock sidebar to specified width */
+#sidebar-box, #sidebar-box #sidebar {
+    min-width: var(--sidebar-width) !important;
+    max-width: var(--sidebar-width) !important;
+}
+
+/* hide sidebar header for tree style tabs sidebar */
+#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
+  display: none;
+}
+
+/* Hide the title bar */
+#titlebar{ visibility: collapse; }
+
+/* hide normal horizontal tab bar */
+#TabsToolbar { visibility: collapse; }
+
+#sidebar { border-right: 1px solid #ccc; }
+
+toolbar#nav-bar {
+  padding-top: 12px;
+  padding-bottom: 7px;
+  margin-left: var(--sidebar-padding);
+  padding-left: 7px;
+}
+
+.sidebar-splitter {
+  opacity: 0 !important;
+  width: 0px !important;
+  border: none !Important;
+  --avatar-image-url: none !important;
+}
+```