Moved between oomox themes

This one's based on Numix, which should look a lot better.

.themes/oomox-numix-gruvbox/gtk-3.20/scss/widgets/_infobar.scss

@@ -0,0 +1,41 @@
+@import "button";
+
+
+/*********
+ ! Infobar
+**********/
+
+@include exports("infobar") {
+    infobar {
+        border: 0;
+
+        $types: (
+            info: ($info_fg_color, $info_bg_color),
+            warning: ($warning_fg_color, $warning_bg_color),
+            question: ($question_fg_color, $question_bg_color),
+            error: ($error_fg_color, $error_bg_color),
+        );
+
+        @each $type, $colors in $types {
+            $fg_color: nth($colors, 1);
+            $bg_color: nth($colors, 2);
+
+            &.#{$type} {
+                &, &:backdrop { // Backdrop button fix: https://github.com/numixproject/numix-gtk-theme/issues/544
+                    @include linear-gradient($bg_color);
+
+                    border: 1px solid shade($bg_color, .8);
+                    caret-color: currentColor;
+
+                    label, & { color: $fg_color; }
+                }
+
+                button {
+                    @include button($bg_color, $fg_color);
+
+                    &.close { @extend %close_button; }
+                }
+            }
+        }
+    }
+}