assets path

scss/_variables.scss

@@ -4,6 +4,8 @@ $enable-color-hues: true !default;
 $enable-extra-colors: true !default;
 $enable-gradients: false !default;
 
+$assets-base: "../../static" !default;
+
 // FONTS
 $google-font: "Source Sans Pro" !default;
 

scss/ui/_flags.scss

@@ -31,7 +31,7 @@
 
   @each $country in $countries {
     .flag-#{$country} {
-      background-image: url("/img/flags/#{$country}.svg");
+      background-image: url("#{$assets-base}/img/flags/#{$country}.svg");
     }
   }