[#47] polish header with with unlock mode

Author: Kreezag

assets/mixins.scss

@@ -7,11 +7,11 @@
 }
 
 @mixin layout-head {
-  @apply left-10 md:left-14 lg:left-16 h-12 right-0 justify-between border-b border-gray-200 dark:border-gray-700 px-4 bg-white dark:bg-gray-800 z-50;
-  @apply absolute;
+  @apply left-10 h-12 right-0 justify-between border-b border-gray-200 dark:border-gray-700 px-4 bg-white dark:bg-gray-800 z-50;
+  @apply absolute left-0 right-0;
 
   html.navbar-fixed & {
-    @apply fixed;
+    @apply fixed left-10 md:left-14 lg:left-16 right-0;
   }
 }