app/assets/stylesheets/bootstrap_layout/resource_nav.sass
@import '_colors'
#resource_nav
ul li a
background-color: darken($headerbar-color, 10%)
ul li a:hover
background-color: lighten($headerbar-color, 10%)
ul li.active a
background-color: lighten($headerbar-color, 10%)
color: $headerbar-contrast-color