diff --git a/README b/README
index 7f8de8709..d1ba84572 100644
--- a/README
+++ b/README
@@ -7,6 +7,7 @@ Prerequisites for Linux/FreeBSD/etc:
 - Python-Qt/PyQt 4.6+
 - SimpleJSON 1.7.3+
 - Beautiful Soup
+- Httplib2 0.7+
 
 For audio playing support:
 
diff --git a/aqt/deckbrowser.py b/aqt/deckbrowser.py
index dfda85119..e6abf2447 100644
--- a/aqt/deckbrowser.py
+++ b/aqt/deckbrowser.py
@@ -4,7 +4,7 @@
 
 from aqt.qt import *
 from aqt.utils import askUser, getOnlyText, openLink, showWarning
-from anki.utils import isWin
+from anki.utils import isMac
 import aqt
 
 class DeckBrowser(object):
@@ -149,7 +149,7 @@ Are you sure you wish to delete all of the cards in %s?""")%deck['name']):
         for b in links:
             buf += "<button onclick='py.link(\"%s\");'>%s</button>" % tuple(b)
         self.bottom.draw(buf)
-        self.bottom.web.setFixedHeight(isWin and 36 or 32)
+        self.bottom.web.setFixedHeight(isMac and 28 or 36)
         self.bottom.web.setLinkHandler(self._linkHandler)
 
     def _onShared(self):
diff --git a/aqt/editor.py b/aqt/editor.py
index a3d3604ca..7fe9dff3e 100644
--- a/aqt/editor.py
+++ b/aqt/editor.py
@@ -4,7 +4,7 @@
 
 from aqt.qt import *
 import re, os, sys, urllib2, ctypes, simplejson, traceback
-from anki.utils import stripHTML, isWin, namedtmp
+from anki.utils import stripHTML, isWin, isMac, namedtmp
 from anki.sound import play
 from anki.hooks import runHook
 from aqt.sound import getAudio
@@ -277,7 +277,7 @@ class Editor(object):
         self.widget.setStyle(self.plastiqueStyle)
         # icons
         self.iconsBox = QHBoxLayout()
-        if isWin:
+        if not isMac:
             self.iconsBox.setMargin(6)
         else:
             self.iconsBox.setMargin(0)
diff --git a/aqt/overview.py b/aqt/overview.py
index b2318bd97..9f56eb9a4 100644
--- a/aqt/overview.py
+++ b/aqt/overview.py
@@ -7,7 +7,7 @@ from aqt.qt import *
 from anki.consts import NEW_CARDS_RANDOM
 from anki.hooks import addHook
 from aqt.utils import showInfo, openLink
-from anki.utils import isWin
+from anki.utils import isMac
 import aqt
 
 class Overview(object):
@@ -150,5 +150,5 @@ text-align: left;
         for b in links:
             buf += "<button onclick='py.link(\"%s\");'>%s</button>" % tuple(b)
         self.bottom.draw(buf)
-        self.bottom.web.setFixedHeight(isWin and 36 or 32)
+        self.bottom.web.setFixedHeight(isMac and 28 or 36)
         self.bottom.web.setLinkHandler(self._linkHandler)
diff --git a/aqt/reviewer.py b/aqt/reviewer.py
index 7d80d4cca..e46326c82 100644
--- a/aqt/reviewer.py
+++ b/aqt/reviewer.py
@@ -5,7 +5,7 @@
 import time, os, stat, shutil, difflib, simplejson, re
 import unicodedata as ucd
 from aqt.qt import *
-from anki.utils import fmtTimeSpan, stripHTML, isWin
+from anki.utils import fmtTimeSpan, stripHTML, isMac
 from anki.hooks import addHook, runHook, runFilter
 from anki.sound import playFromText, clearAudioQueue, hasSound
 from aqt.utils import mungeQA, getBase, shortcut
@@ -30,10 +30,10 @@ class Reviewer(object):
         self.mw.keyHandler = self._keyHandler
         self.web.setLinkHandler(self._linkHandler)
         self.web.setKeyHandler(self._catchEsc)
-        if isWin:
-            self.bottom.web.setFixedHeight(52)
-        else:
+        if isMac:
             self.bottom.web.setFixedHeight(46)
+        else:
+            self.bottom.web.setFixedHeight(52)
         self.bottom.web.setLinkHandler(self._linkHandler)
         self.nextCard()