diff --git a/gtk-3.0/gtk-dark.css b/gtk-3.0/gtk-dark.css
index eba9e0e..341bb20 100755
--- a/gtk-3.0/gtk-dark.css
+++ b/gtk-3.0/gtk-dark.css
@@ -562,6 +562,17 @@ button {
     box-shadow: none;
     text-shadow: 0 1px black;
     -gtk-icon-shadow: 0 1px black; }
+    .app-notification button.flat.image-button, popover.background.touch-selection button.flat.image-button, popover.background.magnifier button.flat.image-button,
+    .osd
+    button.flat.image-button {
+      color: #fefefe;
+      border-color: rgba(0, 0, 0, 0.7);
+      background-color: rgba(20, 23, 26, 0.8);
+      background-clip: padding-box;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0.1);
+      text-shadow: 0 1px black;
+      -gtk-icon-shadow: 0 1px black;
+      outline-color: rgba(254, 254, 254, 0.3); }
     .app-notification button.flat:hover, popover.background.touch-selection button.flat:hover, popover.background.magnifier button.flat:hover,
     .osd
     button.flat:hover {
diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index cef315e..e312dab 100755
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -565,6 +565,17 @@ button {
     box-shadow: none;
     text-shadow: 0 1px black;
     -gtk-icon-shadow: 0 1px black; }
+    .app-notification button.flat.image-button, popover.background.touch-selection button.flat.image-button, popover.background.magnifier button.flat.image-button,
+    .osd
+    button.flat.image-button {
+      color: #fefefe;
+      border-color: rgba(0, 0, 0, 0.7);
+      background-color: rgba(20, 23, 26, 0.8);
+      background-clip: padding-box;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0.1);
+      text-shadow: 0 1px black;
+      -gtk-icon-shadow: 0 1px black;
+      outline-color: rgba(254, 254, 254, 0.3); }
     .app-notification button.flat:hover, popover.background.touch-selection button.flat:hover, popover.background.magnifier button.flat:hover,
     .osd
     button.flat:hover {
diff --git a/gtk-3.0/widgets/_buttons.scss b/gtk-3.0/widgets/_buttons.scss
index d2de2d3..e650a4e 100644
--- a/gtk-3.0/widgets/_buttons.scss
+++ b/gtk-3.0/widgets/_buttons.scss
@@ -215,6 +215,9 @@ button {
       text-shadow: 0 1px black;
       -gtk-icon-shadow: 0 1px black;
 
+      &.image-button {
+        @include button(osd); 
+      } 
       &:hover { @include button(osd-hover); }
 
       &:disabled {