diff --git a/digimarks/marks.py b/digimarks/marks.py
index 5a52bdd..195b9ce 100644
--- a/digimarks/marks.py
+++ b/digimarks/marks.py
@@ -10,130 +10,6 @@ from werkzeug.contrib.atom import AtomFeed
 
 DIGIMARKS_USER_AGENT = 'digimarks/1.2.0-dev'
 
-DEFAULT_THEME = 'freshgreen'
-themes = {
-    'green': {
-        'BROWSERCHROME': '#2e7d32',  # green darken-2
-        'BODY': 'grey lighten-4',
-        'TEXT': 'black-text',
-        'TEXTHEX': '#000',
-        'NAV': 'green darken-3',
-        'PAGEHEADER': 'grey-text lighten-5',
-        'MESSAGE_BACKGROUND': 'orange lighten-2',
-        'MESSAGE_TEXT': 'white-text',
-        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
-        'ERRORMESSAGE_TEXT': 'white-text',
-        'BUTTON': '#1b5e20', # green darken-4
-        'BUTTON_ACTIVE': '#43a047',  # green darken-1
-        'LINK_TEXT': '#1b5e20',  # green darken-4
-        'CARD_BACKGROUND': 'green darken-3',
-        'CARD_TEXT': 'white-text',
-        'CARD_LINK': '#FFF',  # white-text
-        'CHIP_TEXT': '#1b5e20',  # green darken-4
-        'FAB': 'red',
-
-        'STAR': 'yellow-text',
-        'PROBLEM': 'red-text',
-        'COMMENT': '',
-    },
-    'freshgreen': {
-        'BROWSERCHROME': '#43a047',  # green darken-1
-        'BODY': 'grey lighten-5',
-        'TEXT': 'black-text',
-        'TEXTHEX': '#000',
-        'NAV': 'green darken-1',
-        'PAGEHEADER': 'grey-text lighten-5',
-        'MESSAGE_BACKGROUND': 'orange lighten-2',
-        'MESSAGE_TEXT': 'white-text',
-        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
-        'ERRORMESSAGE_TEXT': 'white-text',
-        'BUTTON': '#1b5e20', # green darken-4
-        'BUTTON_ACTIVE': '#43a047',  # green darken-1
-        'LINK_TEXT': '#1b5e20',  # green darken-4
-        'CARD_BACKGROUND': 'green darken-1',
-        'CARD_TEXT': 'white-text',
-        'CARD_LINK': '#FFF',  # white-text
-        'CHIP_TEXT': '#1b5e20',  # green darken-4
-        'FAB': 'red',
-
-        'STAR': 'yellow-text',
-        'PROBLEM': 'red-text',
-        'COMMENT': '',
-    },
-    'lightblue': {
-        'BROWSERCHROME': '#0288d1',  # light-blue darken-2
-        'BODY': 'white',
-        'TEXT': 'black-text',
-        'TEXTHEX': '#000',
-        'NAV': 'light-blue darken-2',
-        'PAGEHEADER': 'grey-text lighten-5',
-        'MESSAGE_BACKGROUND': 'orange lighten-2',
-        'MESSAGE_TEXT': 'white-text',
-        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
-        'ERRORMESSAGE_TEXT': 'white-text',
-        'BUTTON': '#fb8c00', # orange darken-1
-        'BUTTON_ACTIVE': '#ffa726',  # orange lighten-1
-        'LINK_TEXT': '#FFF',  # white
-        'CARD_BACKGROUND': 'light-blue lighten-2',
-        'CARD_TEXT': 'black-text',
-        'CARD_LINK': '#263238',  # blue-grey-text darken-4
-        'CHIP_TEXT': '#FFF',  # white
-        'FAB': 'light-blue darken-4',
-
-        'STAR': 'yellow-text',
-        'PROBLEM': 'red-text',
-        'COMMENT': '',
-    },
-    'dark': {
-        'BROWSERCHROME': '#212121',  # grey darken-4
-        'BODY': 'grey darken-4',
-        'TEXT': 'grey-text lighten-1',
-        'TEXTHEX': '#bdbdbd',
-        'NAV': 'grey darken-3',
-        'PAGEHEADER': 'grey-text lighten-1',
-        'MESSAGE_BACKGROUND': 'orange lighten-2',
-        'MESSAGE_TEXT': 'white-text',
-        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
-        'ERRORMESSAGE_TEXT': 'white-text',
-        'BUTTON': '#fb8c00', # orange darken-1
-        'BUTTON_ACTIVE': '#ffa726',  # orange lighten-1
-        'LINK_TEXT': '#fb8c00',  # orange-text darken-1
-        'CARD_BACKGROUND': 'grey darken-3',
-        'CARD_TEXT': 'grey-text lighten-1',
-        'CARD_LINK': '#fb8c00',  # orange-text darken-1
-        'CHIP_TEXT': '#fb8c00',  # orange-text darken-1
-        'FAB': 'red',
-
-        'STAR': 'yellow-text',
-        'PROBLEM': 'red-text',
-        'COMMENT': '',
-    },
-    'amoled': {
-        'BROWSERCHROME': '#000',  # grey darken-4
-        'BODY': 'black',
-        'TEXT': 'grey-text lighten-1',
-        'TEXTHEX': '#bdbdbd',
-        'NAV': 'grey darken-3',
-        'PAGEHEADER': 'grey-text lighten-1',
-        'MESSAGE_BACKGROUND': 'orange lighten-2',
-        'MESSAGE_TEXT': 'white-text',
-        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
-        'ERRORMESSAGE_TEXT': 'white-text',
-        'BUTTON': '#fb8c00', # orange darken-1
-        'BUTTON_ACTIVE': '#ffa726',  # orange lighten-1
-        'LINK_TEXT': '#fb8c00',  # orange-text darken-1
-        'CARD_BACKGROUND': 'grey darken-3',
-        'CARD_TEXT': 'grey-text lighten-1',
-        'CARD_LINK': '#fb8c00',  # orange-text darken-1
-        'CHIP_TEXT': '#fb8c00',  # orange-text darken-1
-        'FAB': 'red',
-
-        'STAR': 'yellow-text',
-        'PROBLEM': 'red-text',
-        'COMMENT': '',
-    }
-}
-
 try:
     import settings
 except ImportError:
diff --git a/digimarks/themes.py b/digimarks/themes.py
new file mode 100644
index 0000000..d022532
--- /dev/null
+++ b/digimarks/themes.py
@@ -0,0 +1,125 @@
+"""digimarks theme definitions"""
+
+DEFAULT_THEME = 'freshgreen'
+themes = {
+    'green': {
+        'BROWSERCHROME': '#2e7d32',  # green darken-2
+        'BODY': 'grey lighten-4',
+        'TEXT': 'black-text',
+        'TEXTHEX': '#000',
+        'NAV': 'green darken-3',
+        'PAGEHEADER': 'grey-text lighten-5',
+        'MESSAGE_BACKGROUND': 'orange lighten-2',
+        'MESSAGE_TEXT': 'white-text',
+        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
+        'ERRORMESSAGE_TEXT': 'white-text',
+        'BUTTON': '#1b5e20', # green darken-4
+        'BUTTON_ACTIVE': '#43a047',  # green darken-1
+        'LINK_TEXT': '#1b5e20',  # green darken-4
+        'CARD_BACKGROUND': 'green darken-3',
+        'CARD_TEXT': 'white-text',
+        'CARD_LINK': '#FFF',  # white-text
+        'CHIP_TEXT': '#1b5e20',  # green darken-4
+        'FAB': 'red',
+
+        'STAR': 'yellow-text',
+        'PROBLEM': 'red-text',
+        'COMMENT': '',
+    },
+    'freshgreen': {
+        'BROWSERCHROME': '#43a047',  # green darken-1
+        'BODY': 'grey lighten-5',
+        'TEXT': 'black-text',
+        'TEXTHEX': '#000',
+        'NAV': 'green darken-1',
+        'PAGEHEADER': 'grey-text lighten-5',
+        'MESSAGE_BACKGROUND': 'orange lighten-2',
+        'MESSAGE_TEXT': 'white-text',
+        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
+        'ERRORMESSAGE_TEXT': 'white-text',
+        'BUTTON': '#1b5e20', # green darken-4
+        'BUTTON_ACTIVE': '#43a047',  # green darken-1
+        'LINK_TEXT': '#1b5e20',  # green darken-4
+        'CARD_BACKGROUND': 'green darken-1',
+        'CARD_TEXT': 'white-text',
+        'CARD_LINK': '#FFF',  # white-text
+        'CHIP_TEXT': '#1b5e20',  # green darken-4
+        'FAB': 'red',
+
+        'STAR': 'yellow-text',
+        'PROBLEM': 'red-text',
+        'COMMENT': '',
+    },
+    'lightblue': {
+        'BROWSERCHROME': '#0288d1',  # light-blue darken-2
+        'BODY': 'white',
+        'TEXT': 'black-text',
+        'TEXTHEX': '#000',
+        'NAV': 'light-blue darken-2',
+        'PAGEHEADER': 'grey-text lighten-5',
+        'MESSAGE_BACKGROUND': 'orange lighten-2',
+        'MESSAGE_TEXT': 'white-text',
+        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
+        'ERRORMESSAGE_TEXT': 'white-text',
+        'BUTTON': '#fb8c00', # orange darken-1
+        'BUTTON_ACTIVE': '#ffa726',  # orange lighten-1
+        'LINK_TEXT': '#FFF',  # white
+        'CARD_BACKGROUND': 'light-blue lighten-2',
+        'CARD_TEXT': 'black-text',
+        'CARD_LINK': '#263238',  # blue-grey-text darken-4
+        'CHIP_TEXT': '#FFF',  # white
+        'FAB': 'light-blue darken-4',
+
+        'STAR': 'yellow-text',
+        'PROBLEM': 'red-text',
+        'COMMENT': '',
+    },
+    'dark': {
+        'BROWSERCHROME': '#212121',  # grey darken-4
+        'BODY': 'grey darken-4',
+        'TEXT': 'grey-text lighten-1',
+        'TEXTHEX': '#bdbdbd',
+        'NAV': 'grey darken-3',
+        'PAGEHEADER': 'grey-text lighten-1',
+        'MESSAGE_BACKGROUND': 'orange lighten-2',
+        'MESSAGE_TEXT': 'white-text',
+        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
+        'ERRORMESSAGE_TEXT': 'white-text',
+        'BUTTON': '#fb8c00', # orange darken-1
+        'BUTTON_ACTIVE': '#ffa726',  # orange lighten-1
+        'LINK_TEXT': '#fb8c00',  # orange-text darken-1
+        'CARD_BACKGROUND': 'grey darken-3',
+        'CARD_TEXT': 'grey-text lighten-1',
+        'CARD_LINK': '#fb8c00',  # orange-text darken-1
+        'CHIP_TEXT': '#fb8c00',  # orange-text darken-1
+        'FAB': 'red',
+
+        'STAR': 'yellow-text',
+        'PROBLEM': 'red-text',
+        'COMMENT': '',
+    },
+    'amoled': {
+        'BROWSERCHROME': '#000',  # grey darken-4
+        'BODY': 'black',
+        'TEXT': 'grey-text lighten-1',
+        'TEXTHEX': '#bdbdbd',
+        'NAV': 'grey darken-3',
+        'PAGEHEADER': 'grey-text lighten-1',
+        'MESSAGE_BACKGROUND': 'orange lighten-2',
+        'MESSAGE_TEXT': 'white-text',
+        'ERRORMESSAGE_BACKGROUND': 'red darken-1',
+        'ERRORMESSAGE_TEXT': 'white-text',
+        'BUTTON': '#fb8c00', # orange darken-1
+        'BUTTON_ACTIVE': '#ffa726',  # orange lighten-1
+        'LINK_TEXT': '#fb8c00',  # orange-text darken-1
+        'CARD_BACKGROUND': 'grey darken-3',
+        'CARD_TEXT': 'grey-text lighten-1',
+        'CARD_LINK': '#fb8c00',  # orange-text darken-1
+        'CHIP_TEXT': '#fb8c00',  # orange-text darken-1
+        'FAB': 'red',
+
+        'STAR': 'yellow-text',
+        'PROBLEM': 'red-text',
+        'COMMENT': '',
+    }
+}