diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss
index 59770d30a1..e2dbfea12d 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/formatters.scss
@@ -130,11 +130,13 @@
         background:white
     }
 
+    /* FIXME: needs converting to valid SASS
     a&:hover,
     a&.primary:hover{
         border-color:$color-teal;
         color:$color-teal;
     }
+    */
 }
 
 /* free tagging tags from taggit */
@@ -155,10 +157,12 @@
         content:"u";
         padding-right:0.5em;
     }
+    /* FIXME: needs converting to valid SASS
     a&:hover{
         background-color:$color-teal-darker;
         color:white;
     }
+    */
 
     .taglist &{
         margin-right:0.8em;
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/forms.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/forms.scss
index 7f615fe6fa..98b370ef25 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/forms.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/forms.scss
@@ -535,13 +535,12 @@ ul.inline li:first-child, li.inline:first-child{
     .tagit-choice{
         border:0;
     }
-
-    ul& input[type="text"]{
-        padding: 0.2em 0.5em !important; /* having to use important, FML*/
-    }
-    ul& li.tagit-choice-editable{
-        padding:0 23px 0 0 !important; /* having to use important, FML*/
-    }
+}
+ul.tagit input[type="text"]{
+    padding: 0.2em 0.5em !important; /* having to use important, FML*/
+}
+ul.tagit li.tagit-choice-editable{
+    padding:0 23px 0 0 !important; /* having to use important, FML*/
 }
 
 .tagit-close{
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/icons.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/icons.scss
index 6915a46a53..2a5c8be721 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/icons.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/icons.scss
@@ -12,7 +12,7 @@
 @media screen and (-webkit-min-device-pixel-ratio:0) {
     @font-face {
         font-family: 'wagtail';
-        src: url("#{$css-root}fonts/wagtail.svg#wagtail") format("svg"),
+        src: url("#{$css-root}fonts/wagtail.svg#wagtail") format("svg");
     }
 }
 
@@ -60,7 +60,7 @@
 }
 
 
-.icon-cogs:before, {
+.icon-cogs:before {
     content: "a";
 }
 .icon-doc-empty-inverse:before {
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/listing.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/listing.scss
index cacedcc01d..b15d662354 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/components/listing.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/components/listing.scss
@@ -5,10 +5,12 @@ ul.listing{
 
 .listing{
     margin-bottom:2em;
+    /* FIXME: needs converting to valid SASS
     ul&{
         border-top:1px dashed $color-input-border;
         margin-bottom:2em;
     }
+    */
     ul{
         @include unlist();
     }
@@ -22,9 +24,11 @@ ul.listing{
         font-size:0.95em;
     }
 
+    /* FIXME: needs converting to valid SASS
     table&{
         width:100%;
     }
+    */
    
     td, th{
         padding:1.5em 1em;
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/core.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/core.scss
index 56d796b967..72dadefd35 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/core.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/core.scss
@@ -1,16 +1,16 @@
-@import "/wagtailadmin/scss/variables.scss";
-@import "/wagtailadmin/scss/mixins.scss";
-@import "/wagtailadmin/scss/grid.scss";
+@import "variables.scss";
+@import "mixins.scss";
+@import "grid.scss";
 
-@import "/wagtailadmin/scss/components/explorer.scss";
-@import "/wagtailadmin/scss/components/icons.scss";
-@import "/wagtailadmin/scss/components/tabs.scss";
-@import "/wagtailadmin/scss/components/dropdowns.scss";
-@import "/wagtailadmin/scss/components/modals.scss";
-@import "/wagtailadmin/scss/components/forms.scss";
-@import "/wagtailadmin/scss/components/listing.scss";
-@import "/wagtailadmin/scss/components/messages.scss";
-@import "/wagtailadmin/scss/components/formatters.scss";
+@import "components/explorer.scss";
+@import "components/icons.scss";
+@import "components/tabs.scss";
+@import "components/dropdowns.scss";
+@import "components/modals.scss";
+@import "components/forms.scss";
+@import "components/listing.scss";
+@import "components/messages.scss";
+@import "components/formatters.scss";
 
 html{
     background:$color-grey-4;
@@ -824,16 +824,16 @@ footer, .logo{
             }
         }
         .col3{
-            @include col3();
+            @include column(3);
         }
         .col3.addbutton{
             width:auto;
         }
         .col6{
-            @include col6();
+            @include column(6);
         }
         .col9{
-            @include col9();
+            @include column(9);
         }
     }
     footer{
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/grid.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/grid.scss
index 2077b98d57..359fe49c87 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/grid.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/grid.scss
@@ -1,4 +1,4 @@
-/* Utility variable — you should never need to modify this */
+/* Utility variable - you should never need to modify this */
 $gridsystem_width: $grid-columns * 1px;
 $padding: $grid-gutter-width*0.5;
 
@@ -60,7 +60,7 @@ $padding: $grid-gutter-width*0.5;
 
 /* Pull adds right padding */
 @mixin pull($offset:1, $grid-columns:$grid-columns) {
-    margin-right: 100%*(@offset / $grid-columns);
+    margin-right: 100%*($offset / $grid-columns);
 }
 @mixin pull-padding($offset:1, $grid-columns:$grid-columns){
     padding-right: 100%*($offset / $grid-columns);
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/home.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/home.scss
index 9dbb1ad15f..61f7c34acd 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/home.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/home.scss
@@ -1,6 +1,6 @@
-@import "/wagtailadmin/scss/variables.scss";
-@import "/wagtailadmin/scss/mixins.scss";
-@import "/wagtailadmin/scss/grid.scss";
+@import "../variables.scss";
+@import "../mixins.scss";
+@import "../grid.scss";
 
 h1{
     font-weight:300;
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/login.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/login.scss
index 471ffb764e..a414a44d4b 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/login.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/login.scss
@@ -1,6 +1,6 @@
-@import "/wagtailadmin/scss/variables.scss";
-@import "/wagtailadmin/scss/mixins.scss";
-@import "/wagtailadmin/scss/grid.scss";
+@import "../variables.scss";
+@import "../mixins.scss";
+@import "../grid.scss";
 
 // overrides default nice padding defined in variables.scss
 $desktop-nice-padding: 100px;
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/page-editor.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/page-editor.scss
index c5d0de5b73..fd195fa894 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/page-editor.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/layouts/page-editor.scss
@@ -1,6 +1,6 @@
-@import "/wagtailadmin/scss/variables.scss";
-@import "/wagtailadmin/scss/mixins.scss";
-@import "/wagtailadmin/scss/grid.scss";
+@import "../variables.scss";
+@import "../mixins.scss";
+@import "../grid.scss";
 
 .page-editor .content-wrapper{
     margin-bottom:10em;
diff --git a/wagtail/wagtailadmin/static/wagtailadmin/scss/panels/rich-text.scss b/wagtail/wagtailadmin/static/wagtailadmin/scss/panels/rich-text.scss
index 73b6bebae7..f2535b20a9 100644
--- a/wagtail/wagtailadmin/static/wagtailadmin/scss/panels/rich-text.scss
+++ b/wagtail/wagtailadmin/static/wagtailadmin/scss/panels/rich-text.scss
@@ -1,5 +1,5 @@
-@import "/wagtailadmin/scss/variables.scss";
-@import "/wagtailadmin/scss/mixins.scss";
+@import "../variables.scss";
+@import "../mixins.scss";
 
 .hallotoolbar{
     position:absolute;