Adjust color of header background

Author: ronellecaguioa

app/stylesheets/constants.scss

@@ -1,6 +1,6 @@
 $brandgold: #fce356;
 $sidebarblue: #24262f;
-$headergray: #dedede;
+$headergray: #e8e8e8;
 
 @mixin centerWithFlex($justify: center) {
   display: flex;