osd style app-notifications

11 files changed, 380 insertions, 75 deletions

diff --git a/common/gtk-3.0/3.14/_common.scss b/common/gtk-3.0/3.14/_common.scss
index b78f78d..c0a6713 100644
--- a/common/gtk-3.0/3.14/_common.scss
+++ b/common/gtk-3.0/3.14/_common.scss
@@ -2153,14 +2153,27 @@ GtkScrolledWindow {
 
 .app-notification,
 .app-notification.frame {
+  @extend %osd;
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: $osd_bg_color;
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0,0,0,0.2);
-  background-color: $base_color;
-
-  background-clip: padding-box;
+  border-color: darken($osd_bg_color, 10%);
+  
+  .button {
+    @include button(osd);
+    &.flat {
+      @extend %undecorated_button;
+      border-color: transparentize($selected_bg_color, 1);
+      &:insensitive { @extend %undecorated_button; }
+    }
+    &:hover { @include button(osd-hover); }
+    &:active, &:checked { @include button(osd-active); }
+    &:insensitive { @include button(osd-insensitive);
+    }
+  }
 }
 
 /*************
diff --git a/common/gtk-3.0/3.14/gtk-contained-dark.css b/common/gtk-3.0/3.14/gtk-contained-dark.css
index 240fb0f..b09cac7 100644
--- a/common/gtk-3.0/3.14/gtk-contained-dark.css
+++ b/common/gtk-3.0/3.14/gtk-contained-dark.css
@@ -105,7 +105,8 @@ GtkFlowBox .grid-child {
   GtkFlowBox .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkFlowBox .grid-child {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1779,12 +1782,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #292D33;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.14/gtk-contained-solid-dark.css b/common/gtk-3.0/3.14/gtk-contained-solid-dark.css
index 44352d6..174345a 100644
--- a/common/gtk-3.0/3.14/gtk-contained-solid-dark.css
+++ b/common/gtk-3.0/3.14/gtk-contained-solid-dark.css
@@ -105,7 +105,8 @@ GtkFlowBox .grid-child {
   GtkFlowBox .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkFlowBox .grid-child {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1779,12 +1782,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #292D33;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.14/gtk-contained-solid.css b/common/gtk-3.0/3.14/gtk-contained-solid.css
index a8c9ece..66a2eaf 100644
--- a/common/gtk-3.0/3.14/gtk-contained-solid.css
+++ b/common/gtk-3.0/3.14/gtk-contained-solid.css
@@ -105,7 +105,8 @@ GtkFlowBox .grid-child {
   GtkFlowBox .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkFlowBox .grid-child {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1779,12 +1782,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #ffffff;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.14/gtk-contained.css b/common/gtk-3.0/3.14/gtk-contained.css
index aa26bb4..7efbc62 100644
--- a/common/gtk-3.0/3.14/gtk-contained.css
+++ b/common/gtk-3.0/3.14/gtk-contained.css
@@ -105,7 +105,8 @@ GtkFlowBox .grid-child {
   GtkFlowBox .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkFlowBox .grid-child {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1779,12 +1782,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #ffffff;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.16/_common.scss b/common/gtk-3.0/3.16/_common.scss
index d6a187e..6b950f7 100644
--- a/common/gtk-3.0/3.16/_common.scss
+++ b/common/gtk-3.0/3.16/_common.scss
@@ -2276,14 +2276,27 @@ GtkScrolledWindow {
 
 .app-notification,
 .app-notification.frame {
+  @extend %osd;
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: $osd_bg_color;
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0,0,0,0.2);
-  background-color: $base_color;
-
-  background-clip: padding-box;
+  border-color: darken($osd_bg_color, 10%);
+  
+  .button {
+    @include button(osd);
+    &.flat {
+      @extend %undecorated_button;
+      border-color: transparentize($selected_bg_color, 1);
+      &:insensitive { @extend %undecorated_button; }
+    }
+    &:hover { @include button(osd-hover); }
+    &:active, &:checked { @include button(osd-active); }
+    &:insensitive { @include button(osd-insensitive);
+    }
+  }
 }
 
 /*************
diff --git a/common/gtk-3.0/3.16/gtk-contained-dark.css b/common/gtk-3.0/3.16/gtk-contained-dark.css
index 267a45d..06021cf 100644
--- a/common/gtk-3.0/3.16/gtk-contained-dark.css
+++ b/common/gtk-3.0/3.16/gtk-contained-dark.css
@@ -105,7 +105,8 @@ GtkTextView {
   .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkTextView {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1880,12 +1883,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #292D33;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.16/gtk-contained-darker.css b/common/gtk-3.0/3.16/gtk-contained-darker.css
index 96f00a1..364307c 100644
--- a/common/gtk-3.0/3.16/gtk-contained-darker.css
+++ b/common/gtk-3.0/3.16/gtk-contained-darker.css
@@ -105,7 +105,8 @@ GtkTextView {
   .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkTextView {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1881,12 +1884,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #ffffff;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid-dark.css b/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
index 16fb883..ac4a391 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid-dark.css
@@ -105,7 +105,8 @@ GtkTextView {
   .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkTextView {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1880,12 +1883,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #292D33;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.16/gtk-contained-solid.css b/common/gtk-3.0/3.16/gtk-contained-solid.css
index a87515b..e674005 100644
--- a/common/gtk-3.0/3.16/gtk-contained-solid.css
+++ b/common/gtk-3.0/3.16/gtk-contained-solid.css
@@ -105,7 +105,8 @@ GtkTextView {
   .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkTextView {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1880,12 +1883,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #ffffff;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *
diff --git a/common/gtk-3.0/3.16/gtk-contained.css b/common/gtk-3.0/3.16/gtk-contained.css
index e34264c..216152f 100644
--- a/common/gtk-3.0/3.16/gtk-contained.css
+++ b/common/gtk-3.0/3.16/gtk-contained.css
@@ -105,7 +105,8 @@ GtkTextView {
   .grid-child:selected {
     outline-offset: -2px; }
 
-.popover.osd, .osd {
+.popover.osd, .app-notification,
+.app-notification.frame, .osd {
   color: #A8ADB5;
   border: none;
   background-color: rgba(60, 64, 73, 0.95);
@@ -579,7 +580,9 @@ GtkTextView {
   .linked.vertical > GtkComboBox:only-child > .button:hover {
     box-shadow: none; }
 
-.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button {
+.menuitem.button.flat, .button:link, .button:visited, .button:link:hover, .button:link:active, .button:link:checked, .button:visited:hover, .button:visited:active, .button:visited:checked, .menu.button, .popup.button, .notebook tab .button, .list-row.button, .app-notification .button.flat,
+.app-notification.frame .button.flat, .app-notification .button.flat:insensitive,
+.app-notification.frame .button.flat:insensitive {
   border-color: transparent;
   background-color: transparent;
   background-image: none;
@@ -1880,12 +1883,40 @@ GtkScrolledWindow GtkViewport.frame {
 .app-notification,
 .app-notification.frame {
   padding: 10px;
-  border-radius: 0 0 2.5px 2.5px;
-  border-width: 0 1px 1px;
+  background-color: rgba(60, 64, 73, 0.95);
+  background-clip: border-box;
+  border-radius: 0 0 2px 2px;
+  border-width: 0 1px 1px 1px;
   border-style: solid;
-  border-color: rgba(0, 0, 0, 0.2);
-  background-color: #ffffff;
-  background-clip: padding-box; }
+  border-color: rgba(37, 39, 45, 0.95); }
+  .app-notification .button,
+  .app-notification.frame .button {
+    color: #A8ADB5;
+    outline-color: rgba(168, 173, 181, 0.3);
+    border-color: rgba(168, 173, 181, 0.3);
+    background-color: transparent;
+    background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button.flat,
+    .app-notification.frame .button.flat {
+      border-color: rgba(82, 148, 226, 0); }
+    .app-notification .button:hover,
+    .app-notification.frame .button:hover {
+      color: #5294E2;
+      outline-color: rgba(168, 173, 181, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, rgba(48, 52, 59, 0.95)); }
+    .app-notification .button:active, .app-notification .button:checked,
+    .app-notification.frame .button:active,
+    .app-notification.frame .button:checked {
+      color: #ffffff;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5294E2;
+      background-image: linear-gradient(to bottom, #5294E2); }
+    .app-notification .button:insensitive,
+    .app-notification.frame .button:insensitive {
+      color: #5c6069;
+      border-color: rgba(168, 173, 181, 0.2);
+      background-image: linear-gradient(to bottom, rgba(53, 57, 65, 0.95)); }
 
 /*************
  * Expanders *