implement imports in profile.css

css/profile.css

@@ -1,3 +1,7 @@
+@import url('css/theme.css');
+@import url('css/buttons.css');
+@import url('css/tabbed-container.css');
+
 body.profile .page-container {
 	margin-left: auto; margin-right: auto;
 	max-width: 800px;