diff --git a/src/gtk3/widgets/_button.scss b/src/gtk3/widgets/_button.scss
--- a/src/gtk3/widgets/_button.scss
+++ b/src/gtk3/widgets/_button.scss
@@ -168,7 +168,23 @@
 %buttons {
 
     $_button_transition: all 200ms $ease-out-quad;
-
+    &.toggle {
+      &:not(:checked) {
+        &:focus, &:hover {
+          @include button(normal);
+          border-color: gtk("@theme_button_decoration_focus");
+        }
+      }
+      &:checked {
+        &:focus, &:hover {
+          background-color: gtkmix("@theme_button_background_normal", "@theme_button_foreground_normal", 0.2);
+          border-color: gtk("@theme_button_decoration_focus");
+        }
+      }
+      &:focus, &:hover {
+        border-color: gtk("@theme_button_decoration_focus");
+      }
+    }
     border: 1px solid;
     border-radius: $r;
     padding: 6px 6px;
@@ -200,6 +216,10 @@
   	  @include button(active-hover);
         }
     }
+    &:checked {
+      background-color: gtkmix("@theme_button_background_normal", "@theme_button_foreground_normal", 0.2);
+      border-color: gtkmix("@theme_button_background_normal", "@theme_button_foreground_normal", 0.2);
+    }
    &:backdrop {
      @include button(backdrop);
      -gtk-icon-effect: none;
@@ -209,11 +229,19 @@
      &:active, &:checked, &:focus {
        @include button(backdrop-active);
      }
+      &:checked {
+        background-color: gtkmix("@theme_button_background_backdrop", "@theme_button_foreground_backdrop", 0.2);
+        border-color: gtkmix("@theme_button_background_backdrop", "@theme_button_foreground_backdrop", 0.2);
+      }
      &:disabled {
        @include button(backdrop-insensitive);
      }
      &:disabled:active, &:disabled:checked, &:disabled:focus {
        @include button(backdrop-insensitive-active);
+       &:checked {
+        background-color: gtkmix("@theme_button_background_backdrop_insensitive", "@theme_button_foreground_backdrop_insensitive", 0.2);
+        border-color: gtkmix("@theme_button_background_backdrop_insensitive", "@theme_button_foreground_backdrop_insensitive", 0.2);
+      }
      }
    }
     &.flat:backdrop {
@@ -234,6 +262,10 @@
       &:active, &:checked, &:focus {
         @include button(insensitive-active);
       }
+      &:checked {
+        background-color: gtkmix("@theme_button_background_insensitive", "@theme_button_foreground_insensitive", 0.2);
+        border-color: gtkmix("@theme_button_background_insensitive", "@theme_button_foreground_insensitive", 0.2);
+      }
     }
     separator {
       background-color: transparent;