2 files changed, 12 insertions, 7 deletions

diff --git a/src/_apply-vars.scss b/src/_apply-vars.scss
index 5cf5742..0fbc5e3 100644
--- a/src/_apply-vars.scss
+++ b/src/_apply-vars.scss
@@ -45,6 +45,16 @@
     }
 }
 
+@include iro.bem-theme('lo') {
+    @include iro.props-assign('colors');
+    @include iro.props-assign('palette-light-lo');
+
+    @media (prefers-color-scheme: dark) {
+        @include iro.props-assign('colors-dark');
+        @include iro.props-assign('palette-dark-lo');
+    }
+}
+
 @include iro.bem-theme('up') {
     @include iro.props-assign('colors');
     @include iro.props-assign('palette-light-hi');
diff --git a/src/objects/_dialog.scss b/src/objects/_dialog.scss
index 8a60b51..40fe7c0 100644
--- a/src/objects/_dialog.scss
+++ b/src/objects/_dialog.scss
@@ -69,9 +69,8 @@
         }
 
         @include iro.bem-elem('header') {
-            grid-area:     sidebar-header / sidebar-header / header / header;
-            padding:       fn.dim(--header --pad-y) fn.dim(--header --pad-x);
-            border-bottom: 1px solid fn.color(--border);
+            grid-area: sidebar-header / sidebar-header / header / header;
+            padding:   fn.dim(--header --pad-y) fn.dim(--header --pad-x);
 
             @include iro.bem-modifier('sidebar') {
                 grid-area:    sidebar-header;
@@ -122,10 +121,6 @@
         }
 
         @include iro.bem-modifier('flat') {
-            @include iro.bem-elem('header') {
-                border-bottom: 0;
-            }
-
             @include iro.bem-elem('body') {
                 padding-top: 0;
             }