rearrange a few things; drop compiled theme file

Gruntfile.js

@@ -159,18 +159,6 @@ module.exports = function (grunt) {
           'dist/css/<%= pkg.name %>.css': 'less/bootstrap.less'
         }
       },
-      compileTheme: {
-        options: {
-          strictMath: true,
-          sourceMap: true,
-          outputSourceFiles: true,
-          sourceMapURL: '<%= pkg.name %>-theme.css.map',
-          sourceMapFilename: 'dist/css/<%= pkg.name %>-theme.css.map'
-        },
-        files: {
-          'dist/css/<%= pkg.name %>-theme.css': 'less/theme.less'
-        }
-      },
       compileDocs: {
         options: {
           strictMath: true
@@ -200,12 +188,6 @@ module.exports = function (grunt) {
         },
         src: 'dist/css/<%= pkg.name %>.css'
       },
-      theme: {
-        options: {
-          map: true
-        },
-        src: 'dist/css/<%= pkg.name %>-theme.css'
-      },
       docs: {
         src: 'docs/assets/css/docs.min.css'
       },
@@ -222,8 +204,7 @@ module.exports = function (grunt) {
         csslintrc: 'less/.csslintrc'
       },
       src: [
-        'dist/css/bootstrap.css',
-        'dist/css/bootstrap-theme.css'
+        'dist/css/bootstrap.css'
       ],
       examples: [
         'docs/examples/**/*.css'
@@ -245,8 +226,7 @@ module.exports = function (grunt) {
       },
       core: {
         files: {
-          'dist/css/<%= pkg.name %>.min.css': 'dist/css/<%= pkg.name %>.css',
-          'dist/css/<%= pkg.name %>-theme.min.css': 'dist/css/<%= pkg.name %>-theme.css'
+          'dist/css/<%= pkg.name %>.min.css': 'dist/css/<%= pkg.name %>.css'
         }
       },
       docs: {
@@ -439,7 +419,7 @@ module.exports = function (grunt) {
   grunt.registerTask('dist-js', ['concat', 'uglify']);
 
   // CSS distribution task.
-  grunt.registerTask('less-compile', ['less:compileCore', 'less:compileTheme']);
+  grunt.registerTask('less-compile', ['less:compileCore']);
   grunt.registerTask('dist-css', ['less-compile', 'autoprefixer', 'usebanner', 'csscomb', 'cssmin']);
 
   // Docs distribution task.
@@ -449,7 +429,7 @@ module.exports = function (grunt) {
   grunt.registerTask('dist', ['clean', 'dist-css', 'dist-js', 'dist-docs']);
 
   // Custom docs rebuild task.
-  grunt.registerTask('build', ['clean', 'less-compile', 'autoprefixer:core', 'autoprefixer:theme', 'autoprefixer:docs', 'usebanner', 'csscomb:dist', 'cssmin:core', 'cssmin:docs', 'concat', 'uglify:bootstrap', 'dist-docs']);
+  grunt.registerTask('build', ['clean', 'less-compile', 'autoprefixer:core', 'autoprefixer:docs', 'usebanner', 'csscomb:dist', 'cssmin:core', 'cssmin:docs', 'concat', 'uglify:bootstrap', 'dist-docs']);
 
   // Default task.
   grunt.registerTask('default', ['test', 'dist']);

docs/dist/css/bootstrap.css

@@ -326,6 +326,8 @@ img {
   background-color: #fff;
   border: 1px solid #ddd;
   border-radius: .2rem;
+  -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .075);
+          box-shadow: 0 1px 2px rgba(0, 0, 0, .075);
   -webkit-transition: all .2s ease-in-out;
        -o-transition: all .2s ease-in-out;
           transition: all .2s ease-in-out;
@@ -2139,6 +2141,8 @@ fieldset[disabled] .btn {
   color: #fff;
   background-color: #027de7;
   border-color: #026fce;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
 }
 .btn-primary:hover,
 .btn-primary:focus,
@@ -2154,6 +2158,8 @@ fieldset[disabled] .btn {
 .btn-primary.active,
 .open > .dropdown-toggle.btn-primary {
   background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
+          box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
 .btn-primary.disabled,
 .btn-primary[disabled],
@@ -2184,6 +2190,8 @@ fieldset[disabled] .btn-primary.active {
   color: #373a3c;
   background-color: #fff;
   border-color: #eceeef;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
 }
 .btn-secondary:hover,
 .btn-secondary:focus,
@@ -2199,6 +2207,8 @@ fieldset[disabled] .btn-primary.active {
 .btn-secondary.active,
 .open > .dropdown-toggle.btn-secondary {
   background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
+          box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
 .btn-secondary.disabled,
 .btn-secondary[disabled],
@@ -2229,6 +2239,8 @@ fieldset[disabled] .btn-secondary.active {
   color: #fff;
   background-color: #5bc0de;
   border-color: #46b8da;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
 }
 .btn-info:hover,
 .btn-info:focus,
@@ -2244,6 +2256,8 @@ fieldset[disabled] .btn-secondary.active {
 .btn-info.active,
 .open > .dropdown-toggle.btn-info {
   background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
+          box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
 .btn-info.disabled,
 .btn-info[disabled],
@@ -2274,6 +2288,8 @@ fieldset[disabled] .btn-info.active {
   color: #fff;
   background-color: #5cb85c;
   border-color: #4cae4c;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
 }
 .btn-success:hover,
 .btn-success:focus,
@@ -2289,6 +2305,8 @@ fieldset[disabled] .btn-info.active {
 .btn-success.active,
 .open > .dropdown-toggle.btn-success {
   background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
+          box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
 .btn-success.disabled,
 .btn-success[disabled],
@@ -2319,6 +2337,8 @@ fieldset[disabled] .btn-success.active {
   color: #fff;
   background-color: #f0ad4e;
   border-color: #eea236;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
 }
 .btn-warning:hover,
 .btn-warning:focus,
@@ -2334,6 +2354,8 @@ fieldset[disabled] .btn-success.active {
 .btn-warning.active,
 .open > .dropdown-toggle.btn-warning {
   background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
+          box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
 .btn-warning.disabled,
 .btn-warning[disabled],
@@ -2364,6 +2386,8 @@ fieldset[disabled] .btn-warning.active {
   color: #fff;
   background-color: #d9534f;
   border-color: #d43f3a;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, .15), 0 1px 1px rgba(0, 0, 0, .075);
 }
 .btn-danger:hover,
 .btn-danger:focus,
@@ -2379,6 +2403,8 @@ fieldset[disabled] .btn-warning.active {
 .btn-danger.active,
 .open > .dropdown-toggle.btn-danger {
   background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
+          box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 }
 .btn-danger.disabled,
 .btn-danger[disabled],

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);