Sorted CSS imports.

Author: daveverwer

FrontEnd/main.scss

@@ -38,6 +38,7 @@ $mobile-breakpoint: 740px;
 @import 'styles/package_list';
 @import 'styles/package';
 @import 'styles/panel_button';
+@import 'styles/portal';
 @import 'styles/readme';
 @import 'styles/search_results';
 @import 'styles/search';
@@ -46,4 +47,3 @@ $mobile-breakpoint: 740px;
 @import 'styles/tab_bar';
 @import 'styles/validate_manifest';
 @import 'styles/vega_charts';
-@import 'styles/portal';