rearrange a few things; drop compiled theme file

less/mixins.less

@@ -9,6 +9,11 @@
   box-shadow: @arguments;
 }
 
+.render-gradient(@start; @end) when (@enable-gradients = true) {
+  #gradient > .vertical(@start-color: @start; @end-color: @end);
+  background-color: @end;
+}
+
 
 // Utilities
 @import "mixins/hide-text.less";

less/mixins/buttons.less

@@ -7,6 +7,8 @@
   color: @color;
   background-color: @background;
   border-color: @border;
+  @shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 1px rgba(0,0,0,.075);
+  .box-shadow(@shadow);
 
   &:hover,
   &:focus,
@@ -21,7 +23,9 @@
   &:active,
   &.active,
   .open > .dropdown-toggle& {
+    // Remove the gradient for the pressed/active state
     background-image: none;
+    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
   }
   &.disabled,
   &[disabled],

less/scaffolding.less

@@ -82,7 +82,7 @@ img {
 
 // Rounded corners
 .img-rounded {
-  border-radius: @border-radius-large;
+  .border-radius(@border-radius-large);
 }
 
 // Image thumbnails
@@ -93,6 +93,7 @@ img {
   border: 1px solid @thumbnail-border;
   border-radius: @thumbnail-border-radius;
   transition: all .2s ease-in-out;
+  .box-shadow(0 1px 2px rgba(0,0,0,.075));
 
   // Keep them at most 100% wide
   .img-responsive(inline-block);