diff --git a/extensions/odoo_theme/static/scss/_variables.scss b/extensions/odoo_theme/static/scss/_variables.scss
index c86788d7d..a5d84f8e4 100644
--- a/extensions/odoo_theme/static/scss/_variables.scss
+++ b/extensions/odoo_theme/static/scss/_variables.scss
@@ -236,9 +236,11 @@ $doc_cyan:                                  $color-alpha;
 
 // Header
 $o-header-height:                           90px;
+$o-header-white:                            #ffffff;
+
+// Navigation
 $o-side-nav-width:                          350px;
 $o-on-page-width:                           25%;
-$o-header-white:                            #ffffff;
 
 // has_code_col pages
 $o-halfpage-width:                          54%;
diff --git a/extensions/odoo_theme/static/style.scss b/extensions/odoo_theme/static/style.scss
index ee027735a..f464486e1 100644
--- a/extensions/odoo_theme/static/style.scss
+++ b/extensions/odoo_theme/static/style.scss
@@ -63,8 +63,10 @@ header.o_main_header{
     }
     .o_search {
         position: relative;
-        width: 90%;
-        max-width: 500px;
+        width: 100%;
+        @include media-breakpoint-up(lg) {
+            max-width: 500px;
+        }
         .btn{
             @include o-position-absolute($top: 50%, $right: 1rem);
             @include transform (translateY(-50%)) ;
@@ -83,9 +85,6 @@ header.o_main_header{
             @include font-size($font-size-secondary);
         }
     }
-    .o_languages {
-        width: 120px;
-    }
 }
 
 //------------------------------------------------------------------------------