chenge sty;e

src/client/styles/scss/theme/wood.scss

@@ -12,6 +12,7 @@
 // $dark: #;
 
 .growi:not(.login-page) {
+
   // add background-image
   #page-wrapper,
   .page-editor-preview-container {
@@ -35,6 +36,11 @@ $themecolor: #aaa45f;
 $themelight: #f5f3ee;
 $accentcolor: #577254;
 
+.grw-navbar {
+  border-bottom: $accentcolor 4px solid;
+  background-image: url('/images/themes/wood/wood-navbar.jpg') !important;
+}
+
 //== Light Mode
 //
 html[light],
@@ -100,11 +106,6 @@ html[dark] {
   }
 }
 
-.grw-navbar {
-  border-bottom: $accentcolor 4px solid;
-  background-image: url('/images/themes/wood/wood-navbar.jpg') !important;
-}
-
 //== Dark Mode
 //
 // html[dark] {