diff --git a/cms/static/sass/_mixins-inherited.scss b/cms/static/sass/_mixins-inherited.scss
index a766919c74..c0d9df77ce 100644
--- a/cms/static/sass/_mixins-inherited.scss
+++ b/cms/static/sass/_mixins-inherited.scss
@@ -5,6 +5,12 @@
 // talbs: we need to slowly ween ourselves off of these
 // ====================
 
+
+// line-height (old way)
+@function lh($amount: 1) {
+  @return $body-line-height * $amount;
+}
+
 // inherited - vertical and horizontal centering
 @mixin vertically-and-horizontally-centered ($height, $width) {
   left: 50%;
diff --git a/cms/static/sass/elements/_header.scss b/cms/static/sass/elements/_header.scss
index 50167ff042..8c7d59038e 100644
--- a/cms/static/sass/elements/_header.scss
+++ b/cms/static/sass/elements/_header.scss
@@ -139,8 +139,8 @@
 // specific elements - course nav
 .nav-course {
   width: 290px;
+  @extend .t-copy-sub1;
   margin-top: -($baseline/4);
-  @include font-size(14);
 
   > ol > .nav-item {
     vertical-align: bottom;
@@ -158,8 +158,8 @@
       color: $gray-d3;
 
       .label-prefix {
-        display: block;
         @include font-size(11);
+        display: block;
         font-weight: 400;
       }
     }
diff --git a/cms/static/sass/elements/_typography.scss b/cms/static/sass/elements/_typography.scss
index 9e9ca69652..69e78750c0 100644
--- a/cms/static/sass/elements/_typography.scss
+++ b/cms/static/sass/elements/_typography.scss
@@ -11,54 +11,54 @@
 .t-title1 {
   @extend .t-title;
   @include font-size(60);
-  @include lh(60);
+  @include line-height(60);
 }
 
 .t-title2 {
   @extend .t-title;
   @include font-size(48);
-  @include lh(48);
+  @include line-height(48);
 }
 
 .t-title3 {
   @include font-size(36);
-  @include lh(36);
+  @include line-height(36);
 }
 
 .t-title4 {
   @extend .t-title;
   @include font-size(24);
-  @include lh(24);
+  @include line-height(24);
 }
 
 .t-title5 {
   @extend .t-title;
   @include font-size(18);
-  @include lh(18);
+  @include line-height(18);
 }
 
 .t-title6 {
   @extend .t-title;
   @include font-size(16);
-  @include lh(16);
+  @include line-height(16);
 }
 
 .t-title7 {
   @extend .t-title;
   @include font-size(14);
-  @include lh(14);
+  @include line-height(14);
 }
 
 .t-title8 {
   @extend .t-title;
   @include font-size(12);
-  @include lh(12);
+  @include line-height(12);
 }
 
 .t-title9 {
   @extend .t-title;
   @include font-size(11);
-  @include lh(11);
+  @include line-height(11);
 }
 
 // ====================
@@ -71,31 +71,31 @@
 .t-copy-base {
   @extend .t-copy;
   @include font-size(16);
-  @include lh(16);
+  @include line-height(16);
 }
 
 .t-copy-lead1 {
   @extend .t-copy;
   @include font-size(18);
-  @include lh(18);
+  @include line-height(18);
 }
 
 .t-copy-lead2 {
   @extend .t-copy;
   @include font-size(24);
-  @include lh(24);
+  @include line-height(24);
 }
 
 .t-copy-sub1 {
   @extend .t-copy;
   @include font-size(14);
-  @include lh(14);
+  @include line-height(14);
 }
 
 .t-copy-sub2 {
   @extend .t-copy;
   @include font-size(12);
-  @include lh(12);
+  @include line-height(12);
 }
 
 // ====================
@@ -103,22 +103,22 @@
 // actions/labels
 .t-action1 {
   @include font-size(18);
-  @include lh(18);
+  @include line-height(18);
 }
 
 .t-action2 {
   @include font-size(16);
-  @include lh(16);
+  @include line-height(16);
 }
 
 .t-action3 {
   @include font-size(14);
-  @include lh(14);
+  @include line-height(14);
 }
 
 .t-action4 {
   @include font-size(12);
-  @include lh(12);
+  @include line-height(12);
 }
 
 
diff --git a/common/static/sass/_mixins.scss b/common/static/sass/_mixins.scss
index 6e1a34aaaa..c3a548bbf7 100644
--- a/common/static/sass/_mixins.scss
+++ b/common/static/sass/_mixins.scss
@@ -8,7 +8,7 @@
 }
 
 // mixins - line height
-@mixin lh($fontSize: auto){
+@mixin line-height($fontSize: auto){
   line-height: ($fontSize*1.48) + px;
   line-height: (($fontSize/10)*1.48) + rem;
 }
diff --git a/lms/djangoapps/notes/migrations/0001_initial.py b/lms/djangoapps/notes/migrations/0001_initial.py
index 738d121e79..1629b2355d 100644
--- a/lms/djangoapps/notes/migrations/0001_initial.py
+++ b/lms/djangoapps/notes/migrations/0001_initial.py
@@ -13,7 +13,7 @@ class Migration(SchemaMigration):
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('user', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'])),
             ('course_id', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
-            ('uri', self.gf('django.db.models.fields.CharField')(max_length=1024, db_index=True)),
+            ('uri', self.gf('django.db.models.fields.CharField')(max_length=255, db_index=True)),
             ('text', self.gf('django.db.models.fields.TextField')(default='')),
             ('quote', self.gf('django.db.models.fields.TextField')(default='')),
             ('range_start', self.gf('django.db.models.fields.CharField')(max_length=2048)),
@@ -82,7 +82,7 @@ class Migration(SchemaMigration):
             'tags': ('django.db.models.fields.TextField', [], {'default': "''"}),
             'text': ('django.db.models.fields.TextField', [], {'default': "''"}),
             'updated': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'uri': ('django.db.models.fields.CharField', [], {'max_length': '1024', 'db_index': 'True'}),
+            'uri': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
             'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
         }
     }
diff --git a/lms/djangoapps/notes/models.py b/lms/djangoapps/notes/models.py
index 7c9db7dc28..aa2ec7a377 100644
--- a/lms/djangoapps/notes/models.py
+++ b/lms/djangoapps/notes/models.py
@@ -9,7 +9,7 @@ import json
 class Note(models.Model):
     user = models.ForeignKey(User, db_index=True)
     course_id = models.CharField(max_length=255, db_index=True)
-    uri = models.CharField(max_length=1024, db_index=True)
+    uri = models.CharField(max_length=255, db_index=True)
     text = models.TextField(default="")
     quote = models.TextField(default="")
     range_start = models.CharField(max_length=2048)  # xpath string
@@ -21,9 +21,9 @@ class Note(models.Model):
     updated = models.DateTimeField(auto_now=True, db_index=True)
 
     def clean(self, json_body):
-        '''
+        """
         Cleans the note object or raises a ValidationError.
-        '''
+        """
         if json_body is None:
             raise ValidationError('Note must have a body.')
 
@@ -53,16 +53,16 @@ class Note(models.Model):
             self.tags = ",".join(tags)
 
     def get_absolute_url(self):
-        '''
-        Returns the aboslute url for the note object.
-        '''
+        """
+        Returns the absolute url for the note object.
+        """
         kwargs = {'course_id': self.course_id, 'note_id': str(self.pk)}
         return reverse('notes_api_note', kwargs=kwargs)
 
     def as_dict(self):
-        '''
+        """
         Returns the note object as a dictionary.
-        '''
+        """
         return {
             'id': self.pk,
             'user_id': self.user.pk,