diff --git a/lib/compass/_functions.scss b/lib/compass/_functions.scss
index d00590a..c29112e 100644
--- a/lib/compass/_functions.scss
+++ b/lib/compass/_functions.scss
@@ -1,3 +1,5 @@
 @import "functions/lists";
+@import "functions/cross_browser_support";
+@import "functions/gradient_support";
 @import "functions/constants";
 @import "functions/display";
diff --git a/lib/compass/css3/_border-radius.scss b/lib/compass/css3/_border-radius.scss
index 3bfd041..8e09c8a 100644
--- a/lib/compass/css3/_border-radius.scss
+++ b/lib/compass/css3/_border-radius.scss
@@ -47,7 +47,7 @@ $default-border-radius: 5px !default;
       not(-o),
       not(-ms),
       not(-khtml),
-      not official
+      not(official)
     );
     @include experimental("border-radius", $radius unquote("/") $vertical-radius,
       -moz,
@@ -76,7 +76,7 @@ $default-border-radius: 5px !default;
     not(-o),
     not(-ms),
     not(-khtml),
-    not official
+    not(official)
   );
   @include experimental("border-#{$vert}-#{$horz}-radius", $radius,
     not(-moz),
diff --git a/lib/compass/css3/_transition.scss b/lib/compass/css3/_transition.scss
index 14c6e67..8573b98 100644
--- a/lib/compass/css3/_transition.scss
+++ b/lib/compass/css3/_transition.scss
@@ -171,7 +171,7 @@ $transitionable-prefixed-values: transform, transform-origin !default;
     @if length($transition) > 3 { $delay:           nth($transition, 4); $has-delays: true; }
 
     // If a delay is provided without a timing function
-    @if is-time($timing-function) and not $delay { $delay: $timing-function; $timing-function: false; $has-delays: true; }
+    @if is-time($timing-function) and not($delay) { $delay: $timing-function; $timing-function: false; $has-delays: true; }
 
     // Keep a list of delays in case one is specified
     $delays: append($delays, if($delay, $delay, 0s));
diff --git a/lib/compass/functions/_cross_browser_support.scss b/lib/compass/functions/_cross_browser_support.scss
new file mode 100644
index 0000000..76c3fc2
--- /dev/null
+++ b/lib/compass/functions/_cross_browser_support.scss
@@ -0,0 +1,72 @@
+// 
+// A partial implementation of the Ruby cross browser support functions from Compass:
+// https://github.com/Compass/compass/blob/stable/lib/compass/sass_extensions/functions/cross_browser_support.rb
+// 
+
+@function prefixed($prefix, $property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  $properties: $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9;
+  $prefixed: false;
+  @each $item in $properties {
+    @if type-of($item) == 'string' {
+      $prefixed: $prefixed or str-index($item, 'url') != 1 and str-index($item, 'rgb') != 1 and str-index($item, '#') != 1;
+    } @elseif type-of($item) == 'color' {
+    } @elseif $item != null {
+      $prefixed: true;
+    }
+  }
+  @return $prefixed;
+}
+
+@function prefix($prefix, $property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  $properties: "";
+
+  // Support for polymorphism.
+  @if type-of($property1) == 'list' {
+    // Passing a single array of properties.
+    $properties: $property1;
+  } @else {
+    // Passing multiple properties.
+    $properties: $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9;
+  }
+
+  $props: false;
+  @each $item in $properties {
+    @if $item == null {}
+    @else {
+      @if prefixed($prefix, $item) {
+        $item: #{$prefix}-#{$item};
+      }
+      @if $props {
+        $props: $props, $item;
+      }
+      @else {
+        $props: $item;
+      }
+    }
+  }
+  @return $props;
+}
+
+@function -svg($property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  @return prefix('-svg', $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9);
+}
+
+@function -owg($property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  @return prefix('-owg', $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9);
+}
+
+@function -webkit($property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  @return prefix('-webkit', $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9);
+}
+
+@function -moz($property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  @return prefix('-moz', $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9);
+}
+
+@function -o($property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  @return prefix('-o', $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9);
+}
+
+@function -pie($property1, $property2:null, $property3:null, $property4:null, $property5:null, $property6:null, $property7:null, $property8:null, $property9:null) {
+  @return prefix('-pie', $property1, $property2, $property3, $property4, $property5, $property6, $property7, $property8, $property9);
+}
diff --git a/lib/compass/functions/_gradient_support.scss b/lib/compass/functions/_gradient_support.scss
new file mode 100644
index 0000000..8d93079
--- /dev/null
+++ b/lib/compass/functions/_gradient_support.scss
@@ -0,0 +1,15 @@
+/*
+ * A partial implementation of the Ruby gradient support functions from Compass:
+ * https://github.com/Compass/compass/blob/v0.12.2/lib/compass/sass_extensions/functions/gradient_support.rb
+ */
+
+@function color-stops($item1, $item2:null, $item3:null, $item4:null, $item5:null, $item6:null, $item7:null, $item8:null, $item9:null) {
+  $items: $item2, $item3, $item4, $item5, $item6, $item7, $item8, $item9;
+  $full: $item1;
+  @each $item in $items {
+    @if $item != null {
+      $full: $full, $item;
+    }    
+  }
+  @return $full;
+}
\ No newline at end of file
diff --git a/lib/compass/functions/_lists.scss b/lib/compass/functions/_lists.scss
index a118e6a..d5212fe 100644
--- a/lib/compass/functions/_lists.scss
+++ b/lib/compass/functions/_lists.scss
@@ -17,7 +17,28 @@
   @return nth($list, $place);
 }
 
-// compass_list and compass_space_list can't be implemented in sass script
+// compass_list can't be implemented in sass script
+
+@function -compass-space-list($item1, $item2:null, $item3:null, $item4:null, $item5:null, $item6:null, $item7:null, $item8:null, $item9:null) {
+  // Support for polymorphism.
+  @if type-of($item1) == 'list' {
+    // Passing a single array of properties.
+    $items: $item1;
+  } @else {
+    $items: $item1 $item2 $item3 $item4 $item5 $item6 $item7 $item8 $item9;
+  }
+
+  $full: first-value-of($items);
+
+  @for $i from 2 through length($items) {
+    $item: nth($items, $i);
+    @if $item != null {
+      $full: $full $item;
+    }
+  }
+
+  @return $full;
+}
 
 @function -compass-list-size($list) {
   @return length($list);
@@ -51,3 +72,7 @@
   }
   @return $full;
 }
+
+@function first-value-of($list) {
+  @return nth($list, 1);
+}
\ No newline at end of file
diff --git a/lib/compass/typography/text/_replacement.scss b/lib/compass/typography/text/_replacement.scss
index 703571b..35e4e50 100644
--- a/lib/compass/typography/text/_replacement.scss
+++ b/lib/compass/typography/text/_replacement.scss
@@ -18,7 +18,7 @@ $hide-text-direction: left !default;
   @include hide-text;
   background: {
     @if is-url($img) {
-      image: $img;
+      image: url($img);
     } @else {
       image: image-url($img);
     }
diff --git a/test/css3/borderRadiusSpec.js b/test/css3/borderRadiusSpec.js
new file mode 100644
index 0000000..897413a
--- /dev/null
+++ b/test/css3/borderRadiusSpec.js
@@ -0,0 +1,13 @@
+var render = require('../helper/render');
+var ruleset = require('../helper/ruleset');
+
+describe("CSS3 Border Radius", function () {
+
+  it("should generate a border radius", function (done) {
+    render(ruleset('$experimental-support-for-mozilla: false; $experimental-support-for-opera: false; @include border-radius(0, 0);'), function(output, err) {
+      expect(output).toBe(ruleset('-webkit-border-radius:0 0;border-radius:0 / 0;'));
+      done();
+    }, ['compass/css3/border-radius']);
+  });
+
+});
diff --git a/test/css3/boxShadowSpec.js b/test/css3/boxShadowSpec.js
new file mode 100644
index 0000000..fef368d
--- /dev/null
+++ b/test/css3/boxShadowSpec.js
@@ -0,0 +1,13 @@
+var render = require('../helper/render');
+var ruleset = require('../helper/ruleset');
+
+describe("CSS3 Box Shadow", function () {
+
+  it("should generate a default box shadow", function (done) {
+    render(ruleset('$default-box-shadow-inset: inset; $default-box-shadow-h-offset: 23px; $default-box-shadow-v-offset: 24px; $default-box-shadow-blur: 17px; $default-box-shadow-spread: 15px; $default-box-shadow-color: #DEADBE; $experimental-support-for-mozilla: false; $experimental-support-for-opera: false; @include box-shadow;'), function(output, err) {
+      expect(output).toBe(ruleset('-webkit-box-shadow:inset 23px 24px 17px 15px #DEADBE;box-shadow:inset 23px 24px 17px 15px #DEADBE;'));
+      done();
+    }, ['compass/css3/box-shadow']);
+  });
+
+});
diff --git a/test/css3/imagesSpec.js b/test/css3/imagesSpec.js
new file mode 100644
index 0000000..3caf745
--- /dev/null
+++ b/test/css3/imagesSpec.js
@@ -0,0 +1,27 @@
+var render = require('../helper/render');
+var ruleset = require('../helper/ruleset');
+
+describe("CSS3 Images", function () {
+
+  it("should generate a background", function (done) {
+    render(ruleset('@include background(ok);'), function(output, err) {
+      expect(output).toBe(ruleset('background:-owg-ok;background:-webkit-ok;background:-moz-ok;background:-o-ok;background:ok;'));
+      done();
+    }, ['compass/css3/images']);
+  });
+
+  it("should generate multiple backgrounds", function (done) {
+    render(ruleset('$support-for-original-webkit-gradients: false; $experimental-support-for-mozilla: false; $experimental-support-for-opera: false; @include background(a, b, c);'), function(output, err) {
+      expect(output).toBe(ruleset('background:-webkit-a,-webkit-b,-webkit-c;background:a,b,c;'));
+      done();
+    }, ['compass/css3/images']);
+  });
+
+  it("should generate multiple backgrounds of different types", function (done) {
+    render(ruleset('$support-for-original-webkit-gradients: false; $experimental-support-for-mozilla: false; $experimental-support-for-opera: false; @include background(#fff, url(1.gif), linear-gradient(white, black));'), function(output, err) {
+      expect(output).toBe(ruleset('background:#fff,url(1.gif),-webkit-linear-gradient(#ffffff, #000000);background:#fff,url(1.gif),linear-gradient(#ffffff, #000000);'));
+      done();
+    }, ['compass/css3/images']);
+  });
+
+});
diff --git a/test/css3/transitionSpec.js b/test/css3/transitionSpec.js
new file mode 100644
index 0000000..31026df
--- /dev/null
+++ b/test/css3/transitionSpec.js
@@ -0,0 +1,13 @@
+var render = require('../helper/render');
+var ruleset = require('../helper/ruleset');
+
+describe("CSS3 Transition", function () {
+
+  it("should generate a transition", function (done) {
+    render(ruleset('$experimental-support-for-mozilla: false; $experimental-support-for-opera: false; @include transition(ok 0s);'), function(output, err) {
+      expect(output).toBe(ruleset('-webkit-transition:ok 0s;transition:ok 0s;'));
+      done();
+    }, ['compass/css3/transition']);
+  });
+
+});
diff --git a/test/functionsSpec.js b/test/functionsSpec.js
index 7a26c68..9e12c92 100644
--- a/test/functionsSpec.js
+++ b/test/functionsSpec.js
@@ -1,27 +1,7 @@
-var sass = require('node-sass');
-var chalk = require('chalk');
+var render = require('./helper/render');
+var property = require('./helper/property');
 
-var libDir = __dirname.replace(/test$/, 'lib');
-
-var render = function(data, callback) {
-  sass.render({
-    data: '@import "'+libDir+'/compass/functions";' + data,
-    outputStyle: 'compressed',
-    success: function(output){
-      callback(output);
-    },
-    error: function(err){
-      console.log(chalk.red("Sass error:"), err);
-      callback('', err);
-    }
-  });
-}
-
-var property = function(prop) {
-  return 'a{b:'+prop+';}';
-}
-
-describe("Functions", function () {
+describe("List Functions", function () {
 
   // This is verifying a function that's part of libsass that Compass also provided.
   it("should compact a list with false values", function (done) {
@@ -66,4 +46,89 @@ describe("Functions", function () {
     });
   });
 
+  it("should get the first value of a list", function(done) {
+    render('$list: one, two, three, four;' + property('first-value-of($list)'), function(output, err) {
+      expect(output).toBe(property('one'));
+      done();
+    });
+  });
+
+  it("should create a space-delimited list", function(done) {
+    render(property('-compass-space-list(a, b, c)'), function(output, err) {
+      expect(output).toBe(property('a b c'));
+      done();
+    });
+  });
+
 });
+
+describe("Cross Browser Functions", function () {
+
+  it("should prefix a property", function(done) {
+    render(property('prefix(-webkit, x)'), function(output, err) {
+      expect(output).toBe(property('-webkit-x'));
+      done();
+    });
+  });
+
+  it("should prefix a list of properties", function(done) {
+    render(property('prefix(-webkit, x, y, z)'), function(output, err) {
+      expect(output).toBe(property('-webkit-x,-webkit-y,-webkit-z'));
+      done();
+    });
+  });
+
+  it("should prefix a list of complex properties", function(done) {
+    render(property('prefix(-webkit, linear-gradient(-45deg, rgb(0,0,0) 25%, transparent 75%, transparent), linear-gradient(-45deg, #000 25%, transparent 75%, transparent))'), function(output, err) {
+      expect(output).toBe(property('-webkit-linear-gradient(-45deg, #000000 25%, transparent 75%, transparent),-webkit-linear-gradient(-45deg, #000 25%, transparent 75%, transparent)'));
+      done();
+    });
+  });
+
+  it("should prefix a list of properties as a single argument", function(done) {
+    render('$list: x, y, z;' + property('prefix(-webkit, $list)'), function(output, err) {
+      expect(output).toBe(property('-webkit-x,-webkit-y,-webkit-z'));
+      done();
+    });
+  });
+
+  it("should prefix a property with a browser function", function(done){
+    render(property('-webkit(x)'), function(output, err) {
+      expect(output).toBe(property('-webkit-x'));
+      done();
+    });
+  });
+
+  it("should prefix a list of properties with a browser function", function(done) {
+    render(property('-webkit(x, y, z)'), function(output, err) {
+      expect(output).toBe(property('-webkit-x,-webkit-y,-webkit-z'));
+      done();
+    });
+  });
+
+  it("should prefix a list of properties with a browser function as a single argument", function(done) {
+    render('$list: x, y, z;' + property('-webkit($list)'), function(output, err) {
+      expect(output).toBe(property('-webkit-x,-webkit-y,-webkit-z'));
+      done();
+    });
+  });
+
+  it("should not prefix numbers or colors", function(done){
+    render(property('prefixed(-ok, rgb(0,0,0))')+property('prefixed(-ok, url(1.gif))')+property('prefixed(-ok, ok)'), function(output, err) {
+      expect(output).toBe(property('false')+property('false')+property('true'));
+      done();
+    });
+  });
+
+});
+
+describe("Gradient Functions", function () {
+
+  it("should prefix a list with color stops", function(done) {
+    render(property('prefix(-webkit, linear-gradient(-45deg, color-stops(rgb(0,0,0) 25%, transparent 75%, transparent)), linear-gradient(-45deg, color-stops(#000 25%, transparent 75%, transparent)))'), function(output, err) {
+      expect(output).toBe(property('-webkit-linear-gradient(-45deg, #000000 25%, transparent 75%, transparent),-webkit-linear-gradient(-45deg, #000 25%, transparent 75%, transparent)'));
+      done();
+    });
+  });
+
+});
\ No newline at end of file
diff --git a/test/helper/property.js b/test/helper/property.js
new file mode 100644
index 0000000..c7a988d
--- /dev/null
+++ b/test/helper/property.js
@@ -0,0 +1,3 @@
+module.exports = function(prop) {
+  return 'a{b:'+prop+';}';
+}
diff --git a/test/helper/render.js b/test/helper/render.js
new file mode 100644
index 0000000..1f86925
--- /dev/null
+++ b/test/helper/render.js
@@ -0,0 +1,19 @@
+var sass = require('node-sass');
+var libDir = __dirname.replace(/test\/helper$/, 'lib');
+var chalk = require('chalk');
+
+module.exports = function(data, callback, imports) {
+  imports = imports ? imports.map(function(i){ return '@import "'+libDir+'/'+i+'";'}) : [];
+
+  sass.render({
+    data: '@import "'+libDir+'/compass/functions";' + imports.join('') + data,
+    outputStyle: 'compressed',
+    success: function(output){
+      callback(output);
+    },
+    error: function(err){
+      console.log(chalk.red("Sass error:"), err);
+      callback('', err);
+    }
+  });
+}
\ No newline at end of file
diff --git a/test/helper/ruleset.js b/test/helper/ruleset.js
new file mode 100644
index 0000000..6b7dfcc
--- /dev/null
+++ b/test/helper/ruleset.js
@@ -0,0 +1,3 @@
+module.exports = function(rules) {
+  return 'a{'+rules+'}';
+}
\ No newline at end of file