diff --git a/angular.json b/angular.json
index 82a692c..c477d6c 100644
--- a/angular.json
+++ b/angular.json
@@ -43,7 +43,6 @@
               "optimization": true,
               "outputHashing": "all",
               "sourceMap": false,
-              "extractCss": true,
               "namedChunks": false,
               "aot": true,
               "extractLicenses": true,
diff --git a/src/app/app.component.scss b/src/app/app.component.scss
index 80fd5ba..e7ea2bd 100644
--- a/src/app/app.component.scss
+++ b/src/app/app.component.scss
@@ -1,3 +1,10 @@
+mat-toolbar {
+  position: -webkit-sticky;
+  position: sticky;
+  top: 0;
+  z-index: 1020;
+}
+
 mat-divider {
   border-color: rgb(175, 175, 175);
 }