diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 7f95f01c69..e2f5087b39 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/assets/css/bootstrap-responsive.css b/docs/assets/css/bootstrap-responsive.css
index 1cd0f21851..f95e46e166 100644
--- a/docs/assets/css/bootstrap-responsive.css
+++ b/docs/assets/css/bootstrap-responsive.css
@@ -677,9 +677,9 @@
     margin: 9px 0;
     border-top: 1px solid #222222;
     border-bottom: 1px solid #222222;
-    -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
-    -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
-    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
+    -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
+    -moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
+    box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
   }
   .navbar .nav.pull-right {
     float: none;
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index e39f431eb4..02949da9f3 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -761,9 +761,9 @@ textarea {
 input:focus,
 textarea:focus {
   border-color: rgba(82, 168, 236, 0.8);
-  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
-  -moz-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
-  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
+  -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);
+  -moz-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);
+  box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6);
   outline: 0;
   outline: thin dotted \9;
   /* IE6-9 */
@@ -2028,9 +2028,9 @@ button.close {
   -webkit-border-radius: 4px;
   -moz-border-radius: 4px;
   border-radius: 4px;
-  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
+  -moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
+  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
   cursor: pointer;
   *margin-left: .3em;
   /* Remove the border to prevent IE7's black border on input:focus */
@@ -2075,9 +2075,9 @@ button.close {
 .btn.active,
 .btn:active {
   background-image: none;
-  -webkit-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -webkit-box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
+  -moz-box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
+  box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
   background-color: #e6e6e6;
   background-color: #d9d9d9 \9;
   outline: 0;
@@ -2426,9 +2426,9 @@ input[type="submit"].btn.btn-mini {
 .btn-group .dropdown-toggle {
   padding-left: 8px;
   padding-right: 8px;
-  -webkit-box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -webkit-box-shadow: inset 1px 0 0 rgba(255,255,255,.125), inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
+  -moz-box-shadow: inset 1px 0 0 rgba(255,255,255,.125), inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
+  box-shadow: inset 1px 0 0 rgba(255,255,255,.125), inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
   *padding-top: 3px;
   *padding-bottom: 3px;
 }
@@ -2448,9 +2448,9 @@ input[type="submit"].btn.btn-mini {
 }
 .btn-group.open .dropdown-toggle {
   background-image: none;
-  -webkit-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  -moz-box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
-  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
+  -webkit-box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
+  -moz-box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
+  box-shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
 }
 .btn-group.open .btn.dropdown-toggle {
   background-color: #e6e6e6;
@@ -2887,9 +2887,9 @@ input[type="submit"].btn.btn-mini {
   -webkit-border-radius: 4px;
   -moz-border-radius: 4px;
   border-radius: 4px;
-  -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
-  -moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
-  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
+  -webkit-box-shadow: 0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1);
+  -moz-box-shadow: 0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1);
+  box-shadow: 0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1);
 }
 .navbar .container {
   width: auto;
@@ -2915,9 +2915,9 @@ input[type="submit"].btn.btn-mini {
   *background-color: #222222;
   /* Darken IE7 buttons by default so they stand out more given they won't have borders */
 
-  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.075);
-  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.075);
-  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.075);
+  -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.075);
+  -moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.075);
+  box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.075);
 }
 .btn-navbar:hover,
 .btn-navbar:active,
@@ -3034,9 +3034,9 @@ input[type="submit"].btn.btn-mini {
   color: #ffffff;
   background-color: #626262;
   border: 1px solid #151515;
-  -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0px rgba(255, 255, 255, 0.15);
-  -moz-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0px rgba(255, 255, 255, 0.15);
-  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0px rgba(255, 255, 255, 0.15);
+  -webkit-box-shadow: inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.15);
+  -moz-box-shadow: inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.15);
+  box-shadow: inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.15);
   -webkit-transition: none;
   -moz-transition: none;
   -ms-transition: none;
diff --git a/less/button-groups.less b/less/button-groups.less
index 65c974a394..1261ba5cc3 100644
--- a/less/button-groups.less
+++ b/less/button-groups.less
@@ -93,10 +93,7 @@
 .btn-group .dropdown-toggle {
   padding-left: 8px;
   padding-right: 8px;
-  @shadow: inset 1px 0 0 rgba(255,255,255,.125),
-           inset 0 1px 0 rgba(255,255,255,.2),
-           0 1px 2px rgba(0,0,0,.05);
-  .box-shadow(@shadow);
+  .box-shadow(~"inset 1px 0 0 rgba(255,255,255,.125), inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05)");
   *padding-top: 3px;
   *padding-bottom: 3px;
 }
@@ -121,9 +118,7 @@
   // Remove the gradient and set the same inset shadow as the :active state
   .dropdown-toggle {
     background-image: none;
-    @shadow: inset 0 2px 4px rgba(0,0,0,.15),
-             0 1px 2px rgba(0,0,0,.05);
-    .box-shadow(@shadow);
+    .box-shadow(~"inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05)");
   }
 
   // Keep the hover's background when dropdown is open
diff --git a/less/buttons.less b/less/buttons.less
index a1abb6ef75..4deec92a98 100644
--- a/less/buttons.less
+++ b/less/buttons.less
@@ -21,9 +21,7 @@
   border: 1px solid @btnBorder;
   border-bottom-color: darken(@btnBorder, 10%);
   .border-radius(4px);
-  @shadow: inset 0 1px 0 rgba(255,255,255,.2),
-           0 1px 2px rgba(0,0,0,.05);
-  .box-shadow(@shadow);
+  .box-shadow(~"inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05)");
   cursor: pointer;
 
   // Give IE7 some love
@@ -56,9 +54,7 @@
 .btn.active,
 .btn:active {
   background-image: none;
-  @shadow: inset 0 2px 4px rgba(0,0,0,.15),
-           0 1px 2px rgba(0,0,0,.05);
-  .box-shadow(@shadow);
+  .box-shadow(~"inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05)");
   background-color: darken(@white, 10%);
   background-color: darken(@white, 15%) e("\9");
   outline: 0;
diff --git a/less/forms.less b/less/forms.less
index a57732c13c..1945bda609 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -213,9 +213,7 @@ textarea {
 input:focus,
 textarea:focus {
   border-color: rgba(82,168,236,.8);
-  @shadow: inset 0 1px 1px rgba(0,0,0,.075),
-           0 0 8px rgba(82,168,236,.6);
-  .box-shadow(@shadow);
+  .box-shadow(~"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(82,168,236,.6)");
   outline: 0;
   outline: thin dotted \9; /* IE6-9 */
 }
diff --git a/less/mixins.less b/less/mixins.less
index b3fea77dbb..71532fcff7 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -70,11 +70,11 @@
 
 // Sizing shortcuts
 // -------------------------
-.size(@height: 5px, @width: 5px) {
+.size(@height, @width) {
   width: @width;
   height: @height;
 }
-.square(@size: 5px) {
+.square(@size) {
   .size(@size, @size);
 }
 
@@ -192,14 +192,14 @@
 // --------------------------------------------------
 
 // Border Radius
-.border-radius(@radius: 5px) {
+.border-radius(@radius) {
   -webkit-border-radius: @radius;
      -moz-border-radius: @radius;
           border-radius: @radius;
 }
 
 // Drop shadows
-.box-shadow(@shadow: 0 1px 3px rgba(0,0,0,.25)) {
+.box-shadow(@shadow) {
   -webkit-box-shadow: @shadow;
      -moz-box-shadow: @shadow;
           box-shadow: @shadow;
@@ -229,21 +229,21 @@
        -o-transform: scale(@ratio);
           transform: scale(@ratio);
 }
-.translate(@x: 0, @y: 0) {
+.translate(@x, @y) {
   -webkit-transform: translate(@x, @y);
      -moz-transform: translate(@x, @y);
       -ms-transform: translate(@x, @y);
        -o-transform: translate(@x, @y);
           transform: translate(@x, @y);
 }
-.skew(@x: 0, @y: 0) {
+.skew(@x, @y) {
   -webkit-transform: skew(@x, @y);
      -moz-transform: skew(@x, @y);
       -ms-transform: skew(@x, @y);
        -o-transform: skew(@x, @y);
           transform: skew(@x, @y);
 }
-.translate3d(@x: 0, @y: 0, @z: 0) {
+.translate3d(@x, @y, @z) {
   -webkit-transform: translate(@x, @y, @z);
      -moz-transform: translate(@x, @y, @z);
       -ms-transform: translate(@x, @y, @z);
@@ -255,7 +255,7 @@
 // Prevent browsers from flickering when using CSS 3D transforms.
 // Default value is `visible`, but can be changed to `hidden
 // See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples
-.backface-visibility(@visibility: visible){
+.backface-visibility(@visibility){
 	-webkit-backface-visibility: @visibility;
 	   -moz-backface-visibility: @visibility;
 	    -ms-backface-visibility: @visibility;
@@ -297,7 +297,7 @@
 }
 
 // Resize anything
-.resizable(@direction: both) {
+.resizable(@direction) {
   resize: @direction; // Options: horizontal, vertical, both
   overflow: auto; // Safari fix
 }
@@ -313,7 +313,7 @@
 }
 
 // Opacity
-.opacity(@opacity: 100) {
+.opacity(@opacity) {
   opacity: @opacity / 100;
    filter: ~"alpha(opacity=@{opacity})";
 }
diff --git a/less/navbar.less b/less/navbar.less
index f2f5153a76..6816a6ab9b 100644
--- a/less/navbar.less
+++ b/less/navbar.less
@@ -21,8 +21,7 @@
   padding-right: 20px;
   #gradient > .vertical(@navbarBackgroundHighlight, @navbarBackground);
   .border-radius(4px);
-  @shadow: 0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1);
-  .box-shadow(@shadow);
+  .box-shadow(~"0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1)");
 }
 
 // Set width to auto for default container
@@ -39,8 +38,7 @@
   margin-left: 5px;
   margin-right: 5px;
   .buttonBackground(@navbarBackgroundHighlight, @navbarBackground);
-  @shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.075);
-  .box-shadow(@shadow);
+  .box-shadow(~"inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.075)");
 }
 .btn-navbar .icon-bar {
   display: block;
@@ -143,8 +141,7 @@
     color: @white;
     background-color: @navbarSearchBackground;
     border: 1px solid @navbarSearchBorder;
-    @shadow: inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.15);
-    .box-shadow(@shadow);
+    .box-shadow(~"inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.15)");
     .transition(none);
 
     // Placeholder text gets special styles; can't be a grouped selector
diff --git a/less/responsive-navbar.less b/less/responsive-navbar.less
index 84b0f33f37..2f1c4925a7 100644
--- a/less/responsive-navbar.less
+++ b/less/responsive-navbar.less
@@ -93,8 +93,7 @@
     margin: (@baseLineHeight / 2) 0;
     border-top: 1px solid @navbarBackground;
     border-bottom: 1px solid @navbarBackground;
-    @shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1);
-    .box-shadow(@shadow);
+    .box-shadow(~"inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1)");
   }
   // Pull right (secondary) nav content
   .navbar .nav.pull-right {