style: visual improvements

src/app/settings/settings.component.scss

@@ -7,12 +7,10 @@ button {
     text-transform: uppercase;
 }
 
-::ng-deep{
-    .mat-card {
-        border-radius: 0 !important;
-    }
-
-    .mat-list-item {
-        height: 70px !important;
-    }
+.mat-card {
+    border-radius: 0 !important;
+}
+
+.mat-list-item {
+    height: 70px !important;
 }