frontend: use sass for cascading styles
diff --git a/frontend/config/config.component.ts b/frontend/config/config.component.ts
index d13931f..303e792 100644
--- a/frontend/config/config.component.ts
+++ b/frontend/config/config.component.ts
@@ -7,7 +7,7 @@
 @Component({
     selector: 'netopeer-config',
     templateUrl: './config.component.html',
-    styleUrls: ['../netopeer.css', './config.component.css', './tree.component.css', '../inventory/inventory.component.css']
+    styleUrls: ['./config.component.scss']
 })
 
 export class ConfigComponent implements OnInit {