Fixed issues

src/sass/libadwaita/apps/_nautilus.scss

@@ -78,7 +78,7 @@
 }
 
 #NautilusPathBar {
-  background-color: gtkalpha(currentColor, 0.05);
+  background-color: $button_color;
   border-radius: $button_radius;
   padding: 0;
 

src/sass/libadwaita/widgets/_message-dialog.scss

@@ -78,6 +78,8 @@ window.dialog-window.alert {
 }
 
 window.messagedialog {
+  border-radius: $window_radius + $base_padding;
+
   .message-area {
     padding-top: $medium_size - 4px;
     padding-bottom: $base_padding * 2;
@@ -98,7 +100,7 @@ window.messagedialog {
   }
 
   .response-area {
-    padding: $base_padding;
+    padding: $base_padding * 2;
     border-spacing: $base_padding;
 
     > button {

src/sass/libadwaita/widgets/_misc.scss

@@ -26,8 +26,13 @@ separator {
   &.spacer {
     background: none;
 
-    &.horizontal { min-width: 12px; }
-    &.vertical { min-height: 12px; }
+    &.horizontal {
+      min-width: 12px;
+    }
+
+    &.vertical {
+      min-height: 12px;
+    }
   }
 }
 
@@ -45,7 +50,9 @@ separator {
       transparent 2px);
   background-clip: padding-box;
 
-  border { border: none; }
+  border {
+    border: none;
+  }
 }
 
 /**********
@@ -60,8 +67,13 @@ toast {
   border-spacing: $base_padding;
   padding: $base_padding;
 
-  &:dir(ltr) { padding-left: $base_padding * 2; }
-  &:dir(rtl) { padding-right: $base_padding * 2; }
+  &:dir(ltr) {
+    padding-left: $base_padding * 2;
+  }
+
+  &:dir(rtl) {
+    padding-right: $base_padding * 2;
+  }
 
   > widget {
     margin: 0 $base_padding;
@@ -212,3 +224,26 @@ navigation-view,
 overlay-split-view {
   @include transition-shadows($shade_color);
 }
+
+/* PathBar */
+
+.pathbar {
+  background-color: $button_color;
+  border-radius: $button_radius;
+  padding: 0;
+
+  button {
+    margin: 0;
+    @extend %button_basic_flat;
+  }
+
+  headerbar & {
+    button {
+      margin: 0;
+
+      @if $colorscheme !='default' or $blackness =='true' or $colortype =='fixed' {
+        @extend %header_button_reset;
+      }
+    }
+  }
+}