Re-add gtk-3.0 directory before the gtk.3.20 migration for backward compatibility

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/baobab.css

@@ -0,0 +1,25 @@
+
+BaobabWindow GtkGrid {
+    background-color: @bg_color;
+}
+
+BaobabLocationList GtkGrid {
+    background-color: transparent;
+}
+
+.baobab-toolbar.toolbar {
+    border-color: shade (@bg_color, 0.9);
+    border-style: solid;
+    border-width: 0 0 1px 0;
+    border-radius: 0;
+}
+
+.cell.baobab-level-cell,
+.cell.baobab-level-cell:hover,
+.cell.baobab-level-cell:selected,
+.cell.baobab-level-cell:selected:hover {
+    border-color: alpha (black, 0.06);
+    border-width: 1px;
+    border-style: solid;
+    background-color: @base_color;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/geary.css

@@ -0,0 +1,41 @@
+/**************
+ * GNOME Crap *
+ *************/
+
+ApDocView, /* Abiword */
+EogScrollView, /* Eog */
+CheeseThumbView /* Cheese */
+{
+    -EogScrollView-shadow-type: none;
+}
+
+CcNetworkPanel GtkNotebook > .frame {
+    border: none;
+}
+
+
+/********
+* Geary *
+********/
+
+ConversationListView {
+    -GtkWidget-focus-line-width: 1px;
+    -GtkTreeView-grid-line-width: 0;
+}
+ 
+ConversationListView.view.cell {
+    border-style: solid;
+    border-width: 0 0 1px 0;
+    border-color: alpha (#000, 0.2);
+}
+ 
+ConversationListView.view.cell:selected:focus {
+    border-style: solid;
+    border-width: 0 0 1px 0;
+    border-color: shade (@colorAccent, 0.8);
+}
+
+/* for overlay-scrollbars */
+ComposerWidget {
+    background-color: @bg_color;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/gedit.css

@@ -0,0 +1,170 @@
+@define-color notebook_tab_gradient_b shade (@bg_color, 0.98);
+
+GeditWindow .pane-separator,
+GeditWindow .pane-separator:hover {
+}
+
+GeditPanel.title GtkLabel {
+}
+
+GeditDocumentsPanel .view {
+}
+
+GeditDocumentsPanel .view:backdrop {
+}
+
+GeditWindow .notebook {
+    border-radius: 1px;
+}
+
+GeditPanel .notebook {
+    border-radius: 1px;
+}
+
+GeditPanel .notebook tab,
+GeditWindow .notebook tab {
+    border-radius: 3px;
+}
+
+GeditViewFrame .gedit-search-slider {
+    background-color: @base_color;
+    padding: 6px;
+    border-color: shade (@notebook_tab_gradient_b, 0.80);
+    border-radius: 0 0 3px 3px;
+    border-width: 0 1px 1px 1px;
+    border-style: solid;
+}
+
+GeditViewFrame .gedit-search-slider .not-found {
+    color: @error_fg_color;
+    background-image: none;
+    background-color: @error_bg_color;
+}
+
+GeditViewFrame .gedit-search-slider .not-found:selected {
+    background-color: @selected_bg_color;
+    color: @selected_fg_color;
+}
+
+GeditFileBrowserWidget .toolbar  {
+    background-color: @bg_color;
+    border: none;
+    padding-bottom: 3px;
+}
+
+.gedit-search-entry-occurrences-tag {
+    background-color: transparent;
+    color: @backdrop_text_color;
+    margin: 2px;
+    padding: 2px;
+}
+
+
+/* Things from Adwaita start here...*/
+
+GeditOpenDocumentSelector .open-document-selector-treeview:prelight {
+    background-color: alpha(@selected_bg_color, 0.4);
+}
+
+/* Only normal state is handle */
+.open-document-selector-path-label {
+    color: @backdrop_text_color;
+    font-size: smaller;
+}
+
+.gedit-document-panel-group-row,
+.gedit-document-panel-group-row:hover {
+    border-top: 1px solid shade(@bg_color, 0.90);
+    background-color: shade(@bg_color,0.95);
+}
+
+.gedit-document-panel-document-row:hover {
+    background-color: shade(@bg_color,1.1);
+}
+
+
+.gedit-document-panel-document-row:selected,
+.gedit-document-panel-document-row:selected:hover {
+    background-color: @selected_bg_color;
+}
+
+/* sidepane close button styling (copied from the gtk tab close button) */
+.gedit-document-panel .list-row .button {
+    color: transparent;
+    border-image: none;
+    background-image: none;
+    background-color: transparent;
+    border-radius: 3px;
+    border-style: solid;
+    border-color: transparent;
+    border-width: 1px;
+    padding: 1px;
+    icon-shadow: none;
+}
+
+.gedit-document-panel .prelight-row .button  {
+    color: black;
+    border-color: transparent;
+}
+
+.gedit-document-panel .prelight-row:selected .button {
+    color:  white;
+}
+
+.gedit-document-panel .prelight-row .button:backdrop {
+    color: black;
+}
+
+.gedit-document-panel-placeholder-row {
+    border: none;
+    background-color: mix(@bg_color, @selected_bg_color, 0.20);
+}
+
+GeditStatusbar {
+    border-top: 1px solid @borders;
+}
+
+GeditStatusbar .button.flat {
+    border-radius: 0;
+    border-bottom: none;
+}
+
+.notebook GeditCloseButton.button GtkImage { 
+    padding: 1px;
+}
+
+.notebook GeditCloseButton.button {
+    background-color: transparent;
+    background-image: none;
+    border-image: none;
+    border-radius: 3px;
+}
+
+.gedit-document-panel-document-row {
+    padding: 5px;
+}
+
+
+.notebook GeditCloseButton.button:prelight{
+    border-color: shade(@bg_color,0.65);
+}
+
+.notebook GeditTabLabel.active-page GeditCloseButton.button:prelight{
+    border-color: darker(@bg_color);
+}
+
+.notebook GeditCloseButton:backdrop.button:prelight{
+    border-color: shade(@bg_color,0.75);
+    border-image: none;
+    border-style: solid;
+    background-color: transparent;
+}
+
+.notebook GeditTabLabel.active-page GeditCloseButton:backdrop.button:prelight{
+    border-color: shade(@bg_color,0.85);
+    border-image: none;
+    border-style: solid;
+    background-color: transparent;
+}
+
+

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/glade.css

@@ -0,0 +1,8 @@
+
+GladeEditor GtkContainer {
+    background-color: @bg_color
+}
+
+GladeWindow GtkGrid {
+    background-color: @bg_color
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/gnome-panel.css

@@ -0,0 +1,97 @@
+/* Fallback Mode Panel */
+PanelWidget :backdrop,
+PanelApplet :backdrop,
+PanelToplevel :backdrop,
+PanelWidget,
+PanelApplet,
+PanelToplevel {
+    border-image: none;
+
+    color: @dark_fg_color;
+}
+
+PanelWidget,
+PanelApplet,
+PanelToplevel {
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.15)),
+                                     to (shade (@dark_bg_color, 0.95)));
+}
+
+PanelApplet {
+    border-width: 0;
+}
+
+PanelSeparator:backdrop,
+PanelSeparator {
+    border-width: 0;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.15)),
+                                     to (shade (@dark_bg_color, 0.95)));
+
+    color: @dark_fg_color;
+}
+
+.gnome-panel-menu-bar,
+PanelApplet > GtkMenuBar.menubar,
+PanelApplet > GtkMenuBar.menubar.menuitem,
+PanelMenuBar.menubar,
+PanelMenuBar.menubar.menuitem {
+    -PanelMenuBar-icon-visible: true;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.15)),
+                                     to (shade (@dark_bg_color, 0.95)));
+}
+
+PanelAppletFrame { 
+    background-color: @dark_bg_color;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.15)),
+                                     to (shade (@dark_bg_color, 0.95)));
+    border-width: 0;
+}
+
+PanelApplet .button:backdrop,
+PanelApplet .button {
+    -GtkButton-inner-border: 2;
+
+    border-image: none;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.15)),
+                                     to (shade (@dark_bg_color, 0.95)));    
+    border-color: alpha (shade (@dark_bg_color, 0.9), 0.6);
+    border-left-color: alpha (shade (@dark_bg_color, 1.2), 0.6);
+    border-radius: 0;
+    border-width: 0 1px 0 1px;
+
+    text-shadow: none;
+}
+
+PanelApplet .button:active:prelight:backdrop,
+PanelApplet .button:active:prelight,
+PanelApplet .button:active:backdrop,
+PanelApplet .button:active  {
+    border-image: none;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 0.7)),
+                                     to (shade (@dark_bg_color, 0.8))); 
+    border-color: shade (@dark_bg_color, 0.7);
+}
+
+PanelApplet .button:prelight:backdrop,
+PanelApplet .button:prelight {
+    border-image: none;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.3)),
+                                     to (shade (@dark_bg_color, 1.1))); 
+    border-color: alpha (shade (@dark_bg_color, 0.9), 0.6);
+    border-left-color: alpha (shade (@dark_bg_color, 1.2), 0.8);
+}
+
+ClockBox {
+    text-shadow: 0 1px shade (@dark_bg_color, 1.08);
+}
+
+WnckPager, WnckTasklist {
+    background-color: @dark_bg_color;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/gnome-system-log.css

@@ -0,0 +1,4 @@
+/* LP: #1045602 */
+LogviewWindow .view.dim-label, .dim-label {
+  color: @info_fg_color;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/gnome-terminal.css

@@ -0,0 +1,23 @@
+/* gnome-terminal */
+@define-color terminal_bg #300a24;
+
+TerminalScreen {
+    -TerminalScreen-background-darkness: 0.95;
+    background-color: @terminal_bg;
+    color: #fff;
+}
+
+TerminalScreenContainer .scrollbar:hover:not(.slider),
+TerminalScreenContainer .scrollbar.dragging:not(.slider) {
+    background-color: alpha(@scrollbar_track_color, 0.4);
+}
+
+/* Since .hovering class is not working here, we always use the same radius */
+TerminalScreenContainer .scrollbar.slider.hovering,
+TerminalScreenContainer .scrollbar.slider.dragging {
+    border-radius: 1px;
+}
+
+TerminalScreenContainer .scrollbar {
+    background-color: transparent;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/nautilus.css

@@ -0,0 +1,121 @@
+.nautilus-canvas-item {
+    border-radius: 5px;
+}
+
+.nautilus-canvas-item.dim-label,
+.nautilus-list-dim-label {
+    color: mix (@theme_fg_color, @theme_bg_color, 0.50);
+}
+
+.nautilus-canvas-item.dim-label:selected,
+.nautilus-list-dim-label:selected {
+    color: mix (@theme_selected_fg_color, @theme_selected_bg_color, 0.20);
+}
+
+.nautilus-desktop.nautilus-canvas-item {
+    color: @theme_selected_fg_color;
+    text-shadow: 1px 1px black;
+}
+
+.nautilus-desktop.nautilus-canvas-item:active {
+    color: @theme_text_color;
+}
+
+.nautilus-desktop.nautilus-canvas-item:selected {
+    color: @theme_selected_fg_color;
+}
+
+.nautilus-desktop.nautilus-canvas-item:active,
+.nautilus-desktop.nautilus-canvas-item:prelight,
+.nautilus-desktop.nautilus-canvas-item:selected {
+    text-shadow: none;
+}
+
+.nautilus-desktop.nautilus-canvas-item:selected:backdrop {
+    color: @theme_unfocused_selected_fg_color;
+}
+
+.nautilus-circular-button {
+  border-radius: 20px;
+  outline-radius: 20px;
+}
+
+/* Toolbar */
+
+/* Here we use the .button background-image colors from Adwaita, but ligthen them,
+ * since is not possible to use lighten () in common css. */
+@keyframes needs_attention_keyframes {
+    0% {background-image: linear-gradient(to bottom, #fafafa, #ededed 40%,  #e0e0e0); border-color: @borders; }
+    /* can't do animation-direction, so holding the color on two keyframes */
+    30% {background-image: linear-gradient(to bottom, @theme_base_color); border-color: @theme_fg_color; } 
+    90% {background-image: linear-gradient(to bottom, @theme_base_color); border-color: @theme_fg_color; }
+    100% {background-image: linear-gradient(to bottom, #fafafa, #ededed 40%,  #e0e0e0); border-color: @borders; }
+}
+.nautilus-operations-button-needs-attention {
+  animation: needs_attention_keyframes 2s ease-in-out;
+}
+.nautilus-operations-button-needs-attention-multiple {
+  animation: needs_attention_keyframes 3s ease-in-out;
+  animation-iteration-count: 3;
+}
+
+/* Floating status bar */
+.floating-bar {
+  padding: 2px;
+  background-color: @theme_base_color;
+  border-width: 1px;
+  border-style: solid solid none;
+  border-color: @borders;
+  border-radius: 3px 3px 0 0;
+}
+
+.floating-bar.bottom.left { /* axes left border and border radius */
+  border-left-style: none;
+  border-top-left-radius: 0;
+}
+.floating-bar.bottom.right { /* axes right border and border radius */
+  border-right-style: none;
+  border-top-right-radius: 0;
+}
+
+.floating-bar:backdrop {
+  background-color: @theme_unfocused_base_color;
+  border-color: @unfocused_borders;
+}
+
+.floating-bar .button {
+    padding: 4px;
+}
+
+.search-bar {
+    box-shadow: none;
+}
+
+@define-color disk_space_unknown #888a85;
+@define-color disk_space_used #729fcf;
+@define-color disk_space_free #eeeeec;
+
+.disk-space-display {
+    border-style: solid;
+    border-width: 2px;
+}
+
+.disk-space-display.unknown {
+    background-color: @disk_space_unknown;
+    border-color: shade(@disk_space_unknown, 0.7);
+}
+
+.disk-space-display.used {
+    background-color: @disk_space_used;
+    border-color: shade(@disk_space_used, 0.7);
+}
+
+.disk-space-display.free {
+    background-color: @disk_space_free;
+    border-color: shade(@disk_space_free, 0.7);
+}
+
+/* View */
+NautilusListView .view {
+    border-bottom: 1px solid @theme_bg_color;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/software-center.css

@@ -0,0 +1,3 @@
+.action-bar {
+    background-color: @bg_color;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/unity-greeter.css

@@ -0,0 +1,94 @@
+.lightdm.menu {
+    background-image: none;
+    background-color: alpha (black, 0.6);
+    border-color: alpha (white, 0.2);
+    border-radius: 4px;
+    padding: 1px;
+
+    color: white;
+}
+
+.lightdm-combo .menu {
+    background-color: shade (@dark_bg_color, 1.08);
+    border-radius: 0px;
+    padding: 0px;
+
+    color: white;
+}
+
+.lightdm.menu .menuitem *,
+.lightdm.menu .menuitem.check:active,
+.lightdm.menu .menuitem.radio:active {
+    color: white;
+}
+
+.lightdm.menubar {
+    background-image: none;
+    background-color: alpha (black, 0.5);
+}
+
+.lightdm-combo.combobox-entry .button,
+.lightdm-combo .cell,
+.lightdm-combo .button,
+.lightdm-combo .entry,
+.lightdm.button,
+.lightdm.entry {
+    background-image: none;
+    background-color: alpha (black, 0.3);
+    border-color: alpha (white, 0.6);
+    border-radius: 5px;
+    padding: 7px;
+
+    color: white;
+    text-shadow: none;
+}
+
+.lightdm.button,
+.lightdm.button:hover,
+.lightdm.button:active,
+.lightdm.button:active:focused,
+.lightdm.entry,
+.lightdm.entry:hover,
+.lightdm.entry:active,
+.lightdm.entry:active:focused {
+    background-image: none;
+    border-image: none;
+}
+
+.lightdm.button:focused,
+.lightdm.entry:focused {
+    border-color: alpha (white, 0.9);
+    border-width: 1px;
+    border-style: solid;
+
+    color: white;
+}
+
+.lightdm.entry:selected {
+    background-color: alpha (white, 0.2);
+}
+
+@keyframes dashentry_spinner {
+    to { -gtk-icon-transform: rotate(1turn); }
+}
+
+.lightdm.entry:active {
+    -gtk-icon-source: -gtk-icontheme("process-working-symbolic");
+    animation: dashentry_spinner 1s infinite linear;
+}
+
+.lightdm.option-button {
+    padding: 2px;
+    background: none;
+    border: 0;
+}
+
+.lightdm.toggle-button {
+    background: none;
+    border-width: 0;
+}
+
+.lightdm.toggle-button.selected {
+    background-color: alpha (black, 0.3);
+    border-width: 1px;
+}

src/usr/share/themes/Lubuntu-default/gtk-3.0/apps/unity.css

@@ -0,0 +1,131 @@
+/* Decorations */
+
+UnityDecoration {
+    -UnityDecoration-extents: 28px 0 0 0;
+    -UnityDecoration-input-extents: 10px;
+
+    -UnityDecoration-shadow-offset-x: 1px;
+    -UnityDecoration-shadow-offset-y: 5px;
+    -UnityDecoration-active-shadow-color: rgba (0, 0, 0, 0.78);
+    -UnityDecoration-active-shadow-radius: 30px;
+    -UnityDecoration-inactive-shadow-color: rgba (0, 0, 0, 0.3);
+    -UnityDecoration-inactive-shadow-radius: 25px;
+
+    -UnityDecoration-glow-size: 10px;
+    -UnityDecoration-glow-color: rgb (221, 72, 20);
+
+    -UnityDecoration-title-indent: 10px;
+    -UnityDecoration-title-fade: 35px;
+    -UnityDecoration-title-alignment: 0.0;
+}
+
+UnityDecoration.top {
+    border: 1px solid rgba (85, 40, 0, 0.04); /* shade (@dark_bg_color) (shade (#edebe6, 1.06) */
+    border-bottom-width: 0;
+    border-radius: 6px 6px 0 0;
+    padding: 1px 6px 0 6px;
+
+    box-shadow: inset 0 0 transparent, inset 0 0 transparent,
+                inset 0 1px shade (#edebe6, 1.065), inset 0 0 transparent;
+
+    background-color: transparent;
+    background-clip: border-box;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (#edebe6, 1.06)),
+                                     to (@dark_bg_color));
+
+    color: shade (@dark_bg_color, 0.4);
+    text-shadow: 1px 0 shade (@dark_bg_color, 1.06), -1px 0 shade (@dark_bg_color, 1.06),
+                 0 1px shade (@dark_bg_color, 1.06), 0 -1px shade (@dark_bg_color, 1.06);
+}
+
+UnityDecoration.top:backdrop {
+    border: 1px solid rgba (110, 27, 0, 0.04); /* shade @dark_bg_color - shade (#edebe6, 0.96) */
+    border-bottom-width: 0;
+    background-color: transparent;
+    background-clip: border-box;
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (#edebe6, 0.96)),
+                                     to (@dark_bg_color));
+    box-shadow: inset 0 0 transparent, inset 0 0 transparent,
+                inset 0 1px shade (#edebe6, 0.97), inset 0 0 transparent;
+
+    color: #a39e9a;
+    text-shadow: 1px 0 1px shade (@dark_bg_color, 1.08), -1px 0 1px shade (@dark_bg_color, 1.08),
+                 0 1px 1px shade (@dark_bg_color, 1.08), 0 -1px 1px shade (@dark_bg_color, 1.08);
+}
+
+UnityDecoration.left,
+UnityDecoration.right {
+    background-color: shade (@bg_color, 0.7);
+    background-size: 1px 70px;
+    background-repeat: repeat-x;
+
+    /* start color: mix of the top border color and bg-image gradient end */
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     color-stop (0, #a89686),
+                                     color-stop (0.5, #a89686),
+                                     color-stop (1, shade (@bg_color, 0.7)));
+}
+
+UnityDecoration.left:backdrop,
+UnityDecoration.right:backdrop {
+    /* start color: mix of the top border color and bg-image gradient end */
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     color-stop (0, #b5a395),
+                                     color-stop (0.5, #b5a395),
+                                     color-stop (1, shade (@bg_color, 0.7)));
+}
+
+UnityDecoration.bottom {
+    background-image: none;
+    background-color: shade (@bg_color, 0.7);
+}
+
+/* Panel Style */
+
+UnityPanelWidget,
+.unity-panel {
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (#edebe6, 1.06)),
+                                     to (@dark_bg_color));
+    border-top-color: shade (#edebe6, 1.08);
+    border-style: solid;
+    border-width: 1px 0 0 0;
+
+    color: shade (@dark_bg_color, 0.4);
+    text-shadow: 1px 0 shade (@dark_bg_color, 1.06), -1px 0 shade (@dark_bg_color, 1.06),
+                 0 1px shade (@dark_bg_color, 1.06), 0 -1px shade (@dark_bg_color, 1.06);
+}
+
+UnityPanelWidget:backdrop,
+.unity-panel:backdrop {
+    color: #a39e9a;
+}
+
+.unity-panel.menubar,
+.unity-panel .menubar {
+}
+
+.unity-panel.menuitem,
+.unity-panel .menuitem {
+    border-width: 1px 1px 0 1px;
+    icon-shadow: 0 -1px shade (@dark_bg_color, 1.06);
+}
+
+.unity-panel.menubar.menuitem:hover,
+.unity-panel.menubar .menuitem *:hover {
+    background-image: -gtk-gradient (linear, left top, left bottom,
+                                     from (shade (@dark_bg_color, 1.5)),
+                                     to (shade (@dark_bg_color, 1.02)));
+}
+
+@keyframes playbackmenuitem_spinner {
+    to { -gtk-icon-transform: rotate(1turn); }
+}
+
+.menu IdoPlaybackMenuItem.menuitem:active {
+    -gtk-icon-source: -gtk-icontheme("process-working-symbolic");
+    animation: playbackmenuitem_spinner 1s infinite linear;
+    color: @selected_bg_color;
+}