app/assets/stylesheets/_variables.scss
// Typography
$base-font-family: "Source Sans Pro", "Helvetica", "Arial", sans-serif;
$heading-font-family: $base-font-family;
// Font Sizes
$base-font-size: 1em;
// Colors
$blue: #477dca;
$dark-gray: #333;
$medium-gray: #999;
$light-gray: #ddd;
$nav-font-color: #fff;
// Background Colors
$base-background-color: #fff;
$secondary-background-color: $blue;
// Font Colors
$base-font-color: $dark-gray;
$action-color: $blue;
// Border Colors
$base-border-color: $light-gray;
$base-border: 1px solid $base-border-color;