diff --git a/assets/sass/_theme/_configuration.sass b/assets/sass/_theme/_configuration.sass
index e5f4550a0e74ae3a32f16aef18217f525d6b3df8..cf53982e8b4defb19329abef5529583c2815ba08 100644
--- a/assets/sass/_theme/_configuration.sass
+++ b/assets/sass/_theme/_configuration.sass
@@ -121,7 +121,7 @@ $btn-padding-y: px2rem(13) !default
 $btn-border-radius: px2rem(4) !default
 
 // Breadcrumb
-$breadcrumb-color: invert($color-text) !default
+$breadcrumb-color: $color-text !default
 
 // Spacing
 $spacing0: px2rem(12) !default
@@ -150,16 +150,17 @@ $zindex-aside: 48 !default
 // Header
 $header-color: $color-text !default
 $header-hover-color: rgba($header-color, 0.7) !default // TODO : Réflechir à plus élégant / générique
-$header-background: $color-background !default
-$header-sticky-enabled: true !default
-$header-sticky-background: $header-background !default
-$header-sticky-color: $header-color !default
+$header-background: $color-background-alt !default
 $header-transition: 0.3s !default
-$header-sticky-transition: $header-transition !default
 $header-dropdown-full: false !default
 $header-dropdown-background: $header-background !default
 $header-dropdown-color: $header-color !default
 $header-dropdown-transition: $header-transition !default
+$header-sticky-enabled: true !default
+$header-sticky-background: $color-background !default
+$header-sticky-dropdown-background: $header-background !default
+$header-sticky-color: $header-color !default
+$header-sticky-transition: $header-transition !default
 $header-nav-padding-y: $spacing0 !default
 $header-logo-height: 20px !default
 $header-logo-height-md: $header-logo-height !default
@@ -178,8 +179,8 @@ $footer-logo-height-md: $footer-logo-height !default
 // Hero
 $hero-height: 375px !default
 $hero-height-md: 550px !default
-$hero-color: invert($color-text) !default
-$hero-background-color: invert($color-background) !default
+$hero-color: $color-text !default
+$hero-background-color: $color-background-alt !default
 
 // Icons
 $icons: ()