rename planetstack.css -> xos.css
diff --git a/planetstack/core/admin.py b/planetstack/core/admin.py
index 80ff738..d87b96d 100644
--- a/planetstack/core/admin.py
+++ b/planetstack/core/admin.py
@@ -1305,7 +1305,7 @@
     refresh = forms.CharField(widget=forms.HiddenInput())
 
     class Media:
-       css = {'all': ('planetstack.css',)}   # .field-refresh { display: none; }
+       css = {'all': ('xos.css',)}   # .field-refresh { display: none; }
 
     def clean_slice(self):
         slice = self.cleaned_data.get("slice")