diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index d534985d90..d67148b13c 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -4102,7 +4102,7 @@ a.counter:hover {
           box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
 }
 
-.progress .bar {
+.progress-bar {
   float: left;
   width: 0;
   height: 100%;
@@ -4110,9 +4110,7 @@ a.counter:hover {
   color: #fff;
   text-align: center;
   text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
-  background-color: #149bdf;
-  /*#gradient > .vertical(#149bdf, #0480be);*/
-
+  background-color: #428bca;
   -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
           box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
   -webkit-box-sizing: border-box;
@@ -4124,8 +4122,8 @@ a.counter:hover {
           transition: width 0.6s ease;
 }
 
-.progress-striped .bar {
-  background-color: #149bdf;
+.progress-striped .progress-bar {
+  background-color: #428bca;
   background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));
   background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
   background-image: -moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
@@ -4137,7 +4135,7 @@ a.counter:hover {
           background-size: 40px 40px;
 }
 
-.progress.active .bar {
+.progress.active .progress-bar {
   -webkit-animation: progress-bar-stripes 2s linear infinite;
      -moz-animation: progress-bar-stripes 2s linear infinite;
       -ms-animation: progress-bar-stripes 2s linear infinite;
@@ -4145,16 +4143,12 @@ a.counter:hover {
           animation: progress-bar-stripes 2s linear infinite;
 }
 
-.progress-danger .bar,
-.progress .bar-danger {
-  background-color: #ee5f5b;
-  /*#gradient > .vertical(#ee5f5b, #c43c35);*/
-
+.progress-bar-danger {
+  background-color: #d9534f;
 }
 
-.progress-danger.progress-striped .bar,
-.progress-striped .bar-danger {
-  background-color: #ee5f5b;
+.progress-striped .progress-bar-danger {
+  background-color: #d9534f;
   background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));
   background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
   background-image: -moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
@@ -4162,16 +4156,12 @@ a.counter:hover {
   background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
 }
 
-.progress-success .bar,
-.progress .bar-success {
-  background-color: #62c462;
-  /*#gradient > .vertical(#62c462, #57a957);*/
-
+.progress-bar-success {
+  background-color: #5cb85c;
 }
 
-.progress-success.progress-striped .bar,
-.progress-striped .bar-success {
-  background-color: #62c462;
+.progress-striped .progress-bar-success {
+  background-color: #5cb85c;
   background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));
   background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
   background-image: -moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
@@ -4179,15 +4169,24 @@ a.counter:hover {
   background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
 }
 
-.progress-info .bar,
-.progress .bar-info {
+.progress-bar-warning {
+  background-color: #f0ad4e;
+}
+
+.progress-striped .progress-bar-warning {
+  background-color: #f0ad4e;
+  background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));
+  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+}
+
+.progress-bar-info {
   background-color: #5bc0de;
-  /*#gradient > .vertical(#5bc0de, #339bb9);*/
-
 }
 
-.progress-info.progress-striped .bar,
-.progress-striped .bar-info {
+.progress-striped .progress-bar-info {
   background-color: #5bc0de;
   background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));
   background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
@@ -4196,23 +4195,6 @@ a.counter:hover {
   background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
 }
 
-.progress-warning .bar,
-.progress .bar-warning {
-  background-color: #fbb450;
-  /*#gradient > .vertical(lighten(#f89406, 15%), #f89406);*/
-
-}
-
-.progress-warning.progress-striped .bar,
-.progress-striped .bar-warning {
-  background-color: #fbb450;
-  background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(0.25, rgba(255, 255, 255, 0.15)), color-stop(0.25, transparent), color-stop(0.5, transparent), color-stop(0.5, rgba(255, 255, 255, 0.15)), color-stop(0.75, rgba(255, 255, 255, 0.15)), color-stop(0.75, transparent), to(transparent));
-  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
-  background-image: -moz-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
-  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
-  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
-}
-
 .accordion {
   margin-bottom: 20px;
 }
diff --git a/docs/components.html b/docs/components.html
index a79ce01fdb..4293e43bf8 100644
--- a/docs/components.html
+++ b/docs/components.html
@@ -1614,7 +1614,7 @@
         ================================================== -->
         <section id="progress">
           <div class="page-header">
-            <h1>Progress bars <small>For loading, redirecting, or action status</small></h1>
+            <h1>Progress bars</h1>
           </div>
 
           <h2>Examples and markup</h2>
@@ -1623,12 +1623,12 @@
           <p>Default progress bar with a vertical gradient.</p>
           <div class="bs-docs-example">
             <div class="progress">
-              <div class="bar" style="width: 60%;"></div>
+              <div class="progress-bar" style="width: 60%;"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress"&gt;
-  &lt;div class="bar" style="width: 60%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar" style="width: 60%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1636,12 +1636,12 @@
           <p>Uses a gradient to create a striped effect. Not available in IE8.</p>
           <div class="bs-docs-example">
             <div class="progress progress-striped">
-              <div class="bar" style="width: 20%;"></div>
+              <div class="progress-bar" style="width: 20%;"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress progress-striped"&gt;
-  &lt;div class="bar" style="width: 20%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar" style="width: 20%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1649,12 +1649,12 @@
           <p>Add <code>.active</code> to <code>.progress-striped</code> to animate the stripes right to left. Not available in all versions of IE.</p>
           <div class="bs-docs-example">
             <div class="progress progress-striped active">
-              <div class="bar" style="width: 45%"></div>
+              <div class="progress-bar" style="width: 45%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress progress-striped active"&gt;
-  &lt;div class="bar" style="width: 40%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar" style="width: 40%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1662,16 +1662,16 @@
           <p>Place multiple bars into the same <code>.progress</code> to stack them.</p>
           <div class="bs-docs-example">
             <div class="progress">
-              <div class="bar bar-success" style="width: 35%"></div>
-              <div class="bar bar-warning" style="width: 20%"></div>
-              <div class="bar bar-danger" style="width: 10%"></div>
+              <div class="progress-bar progress-bar-success" style="width: 35%"></div>
+              <div class="progress-bar progress-bar-warning" style="width: 20%"></div>
+              <div class="progress-bar progress-bar-danger" style="width: 10%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress"&gt;
-  &lt;div class="bar bar-success" style="width: 35%;"&gt;&lt;/div&gt;
-  &lt;div class="bar bar-warning" style="width: 20%;"&gt;&lt;/div&gt;
-  &lt;div class="bar bar-danger" style="width: 10%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar progress-bar-success" style="width: 35%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar progress-bar-warning" style="width: 20%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar progress-bar-danger" style="width: 10%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1684,62 +1684,62 @@
           <h3>Additional colors</h3>
           <p>Progress bars use some of the same button and alert classes for consistent styles.</p>
           <div class="bs-docs-example">
-            <div class="progress progress-info" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 20%"></div>
+            <div class="progress" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-info" style="width: 20%"></div>
             </div>
-            <div class="progress progress-success" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 40%"></div>
+            <div class="progress" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-success" style="width: 40%"></div>
             </div>
-            <div class="progress progress-warning" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 60%"></div>
+            <div class="progress" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-warning" style="width: 60%"></div>
             </div>
-            <div class="progress progress-danger">
-              <div class="bar" style="width: 80%"></div>
+            <div class="progress">
+              <div class="progress-bar progress-bar-danger" style="width: 80%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
-&lt;div class="progress progress-info"&gt;
-  &lt;div class="bar" style="width: 20%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-info" style="width: 20%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-success"&gt;
-  &lt;div class="bar" style="width: 40%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-success" style="width: 40%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-warning"&gt;
-  &lt;div class="bar" style="width: 60%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-warning" style="width: 60%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-danger"&gt;
-  &lt;div class="bar" style="width: 80%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-danger" style="width: 80%"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
           <h3>Striped bars</h3>
           <p>Similar to the solid colors, we have varied striped progress bars.</p>
           <div class="bs-docs-example">
-            <div class="progress progress-info progress-striped" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 20%"></div>
+            <div class="progress progress-striped" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-info" style="width: 20%"></div>
             </div>
-            <div class="progress progress-success progress-striped" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 40%"></div>
+            <div class="progress progress-striped" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-success" style="width: 40%"></div>
             </div>
-            <div class="progress progress-warning progress-striped" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 60%"></div>
+            <div class="progress progress-striped" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-warning" style="width: 60%"></div>
             </div>
-            <div class="progress progress-danger progress-striped">
-              <div class="bar" style="width: 80%"></div>
+            <div class="progress progress-striped">
+              <div class="progress-bar progress-bar-danger" style="width: 80%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
-&lt;div class="progress progress-info progress-striped"&gt;
-  &lt;div class="bar" style="width: 20%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-info" style="width: 20%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-success progress-striped"&gt;
-  &lt;div class="bar" style="width: 40%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-success" style="width: 40%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-warning progress-striped"&gt;
-  &lt;div class="bar" style="width: 60%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-warning" style="width: 60%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-danger progress-striped"&gt;
-  &lt;div class="bar" style="width: 80%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-danger" style="width: 80%"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
diff --git a/docs/templates/pages/components.mustache b/docs/templates/pages/components.mustache
index 788801eaba..7f87294871 100644
--- a/docs/templates/pages/components.mustache
+++ b/docs/templates/pages/components.mustache
@@ -1546,7 +1546,7 @@
         ================================================== -->
         <section id="progress">
           <div class="page-header">
-            <h1>Progress bars <small>For loading, redirecting, or action status</small></h1>
+            <h1>Progress bars</h1>
           </div>
 
           <h2>Examples and markup</h2>
@@ -1555,12 +1555,12 @@
           <p>Default progress bar with a vertical gradient.</p>
           <div class="bs-docs-example">
             <div class="progress">
-              <div class="bar" style="width: 60%;"></div>
+              <div class="progress-bar" style="width: 60%;"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress"&gt;
-  &lt;div class="bar" style="width: 60%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar" style="width: 60%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1568,12 +1568,12 @@
           <p>Uses a gradient to create a striped effect. Not available in IE8.</p>
           <div class="bs-docs-example">
             <div class="progress progress-striped">
-              <div class="bar" style="width: 20%;"></div>
+              <div class="progress-bar" style="width: 20%;"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress progress-striped"&gt;
-  &lt;div class="bar" style="width: 20%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar" style="width: 20%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1581,12 +1581,12 @@
           <p>Add <code>.active</code> to <code>.progress-striped</code> to animate the stripes right to left. Not available in all versions of IE.</p>
           <div class="bs-docs-example">
             <div class="progress progress-striped active">
-              <div class="bar" style="width: 45%"></div>
+              <div class="progress-bar" style="width: 45%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress progress-striped active"&gt;
-  &lt;div class="bar" style="width: 40%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar" style="width: 40%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1594,16 +1594,16 @@
           <p>Place multiple bars into the same <code>.progress</code> to stack them.</p>
           <div class="bs-docs-example">
             <div class="progress">
-              <div class="bar bar-success" style="width: 35%"></div>
-              <div class="bar bar-warning" style="width: 20%"></div>
-              <div class="bar bar-danger" style="width: 10%"></div>
+              <div class="progress-bar progress-bar-success" style="width: 35%"></div>
+              <div class="progress-bar progress-bar-warning" style="width: 20%"></div>
+              <div class="progress-bar progress-bar-danger" style="width: 10%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
 &lt;div class="progress"&gt;
-  &lt;div class="bar bar-success" style="width: 35%;"&gt;&lt;/div&gt;
-  &lt;div class="bar bar-warning" style="width: 20%;"&gt;&lt;/div&gt;
-  &lt;div class="bar bar-danger" style="width: 10%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar progress-bar-success" style="width: 35%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar progress-bar-warning" style="width: 20%;"&gt;&lt;/div&gt;
+  &lt;div class="progress-bar progress-bar-danger" style="width: 10%;"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
@@ -1616,62 +1616,62 @@
           <h3>Additional colors</h3>
           <p>Progress bars use some of the same button and alert classes for consistent styles.</p>
           <div class="bs-docs-example">
-            <div class="progress progress-info" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 20%"></div>
+            <div class="progress" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-info" style="width: 20%"></div>
             </div>
-            <div class="progress progress-success" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 40%"></div>
+            <div class="progress" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-success" style="width: 40%"></div>
             </div>
-            <div class="progress progress-warning" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 60%"></div>
+            <div class="progress" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-warning" style="width: 60%"></div>
             </div>
-            <div class="progress progress-danger">
-              <div class="bar" style="width: 80%"></div>
+            <div class="progress">
+              <div class="progress-bar progress-bar-danger" style="width: 80%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
-&lt;div class="progress progress-info"&gt;
-  &lt;div class="bar" style="width: 20%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-info" style="width: 20%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-success"&gt;
-  &lt;div class="bar" style="width: 40%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-success" style="width: 40%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-warning"&gt;
-  &lt;div class="bar" style="width: 60%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-warning" style="width: 60%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-danger"&gt;
-  &lt;div class="bar" style="width: 80%"&gt;&lt;/div&gt;
+&lt;div class="progress"&gt;
+  &lt;div class="progress-bar progress-bar-danger" style="width: 80%"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
           <h3>Striped bars</h3>
           <p>Similar to the solid colors, we have varied striped progress bars.</p>
           <div class="bs-docs-example">
-            <div class="progress progress-info progress-striped" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 20%"></div>
+            <div class="progress progress-striped" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-info" style="width: 20%"></div>
             </div>
-            <div class="progress progress-success progress-striped" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 40%"></div>
+            <div class="progress progress-striped" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-success" style="width: 40%"></div>
             </div>
-            <div class="progress progress-warning progress-striped" style="margin-bottom: 9px;">
-              <div class="bar" style="width: 60%"></div>
+            <div class="progress progress-striped" style="margin-bottom: 9px;">
+              <div class="progress-bar progress-bar-warning" style="width: 60%"></div>
             </div>
-            <div class="progress progress-danger progress-striped">
-              <div class="bar" style="width: 80%"></div>
+            <div class="progress progress-striped">
+              <div class="progress-bar progress-bar-danger" style="width: 80%"></div>
             </div>
           </div>
 <pre class="prettyprint linenums">
-&lt;div class="progress progress-info progress-striped"&gt;
-  &lt;div class="bar" style="width: 20%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-info" style="width: 20%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-success progress-striped"&gt;
-  &lt;div class="bar" style="width: 40%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-success" style="width: 40%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-warning progress-striped"&gt;
-  &lt;div class="bar" style="width: 60%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-warning" style="width: 60%"&gt;&lt;/div&gt;
 &lt;/div&gt;
-&lt;div class="progress progress-danger progress-striped"&gt;
-  &lt;div class="bar" style="width: 80%"&gt;&lt;/div&gt;
+&lt;div class="progress progress-striped"&gt;
+  &lt;div class="progress-bar progress-bar-danger" style="width: 80%"&gt;&lt;/div&gt;
 &lt;/div&gt;
 </pre>
 
diff --git a/less/progress-bars.less b/less/progress-bars.less
index 11a95ee9f5..89e9832684 100644
--- a/less/progress-bars.less
+++ b/less/progress-bars.less
@@ -3,8 +3,8 @@
 // --------------------------------------------------
 
 
-// ANIMATIONS
-// ----------
+// Bar animations
+// -------------------------
 
 // Webkit
 @-webkit-keyframes progress-bar-stripes {
@@ -38,21 +38,21 @@
 
 
 
-// THE BARS
-// --------
+// Bar itself
+// -------------------------
 
 // Outer container
 .progress {
   overflow: hidden;
   height: @line-height-base;
   margin-bottom: @line-height-base;
-  background-color: #f5f5f5;
+  background-color: @progress-bg;
   border-radius: @border-radius-base;
   .box-shadow(inset 0 1px 2px rgba(0,0,0,.1));
 }
 
 // Bar of progress
-.progress .bar {
+.progress-bar {
   float: left;
   width: 0%;
   height: 100%;
@@ -60,21 +60,20 @@
   color: #fff;
   text-align: center;
   text-shadow: 0 -1px 0 rgba(0,0,0,.25);
-  background-color: #149bdf;
-  /*#gradient > .vertical(#149bdf, #0480be);*/
+  background-color: @progress-bar-bg;
   .box-shadow(inset 0 -1px 0 rgba(0,0,0,.15));
   .box-sizing(border-box);
   .transition(width .6s ease);
 }
 
 // Striped bars
-.progress-striped .bar {
-  #gradient > .striped(#149bdf);
+.progress-striped .progress-bar {
+  #gradient > .striped(@progress-bar-bg);
   .background-size(40px 40px);
 }
 
 // Call animation for the active one
-.progress.active .bar {
+.progress.active .progress-bar {
   -webkit-animation: progress-bar-stripes 2s linear infinite;
      -moz-animation: progress-bar-stripes 2s linear infinite;
       -ms-animation: progress-bar-stripes 2s linear infinite;
@@ -84,41 +83,37 @@
 
 
 
-// COLORS
-// ------
+// Variations
+// -------------------------
 
 // Danger (red)
-.progress-danger .bar, .progress .bar-danger {
-  background-color: #ee5f5b;
-  /*#gradient > .vertical(#ee5f5b, #c43c35);*/
-}
-.progress-danger.progress-striped .bar, .progress-striped .bar-danger {
-  #gradient > .striped(#ee5f5b);
+.progress-bar-danger {
+  background-color: @progress-bar-danger-bg;
+  .progress-striped & {
+    #gradient > .striped(@progress-bar-danger-bg);
+  }
 }
 
 // Success (green)
-.progress-success .bar, .progress .bar-success {
-  background-color: #62c462;
-  /*#gradient > .vertical(#62c462, #57a957);*/
-}
-.progress-success.progress-striped .bar, .progress-striped .bar-success {
-  #gradient > .striped(#62c462);
-}
-
-// Info (teal)
-.progress-info .bar, .progress .bar-info {
-  background-color: #5bc0de;
-  /*#gradient > .vertical(#5bc0de, #339bb9);*/
-}
-.progress-info.progress-striped .bar, .progress-striped .bar-info {
-  #gradient > .striped(#5bc0de);
+.progress-bar-success {
+  background-color: @progress-bar-success-bg;
+  .progress-striped & {
+    #gradient > .striped(@progress-bar-success-bg);
+  }
 }
 
 // Warning (orange)
-.progress-warning .bar, .progress .bar-warning {
-  background-color: lighten(#f89406, 15%);
-  /*#gradient > .vertical(lighten(#f89406, 15%), #f89406);*/
+.progress-bar-warning {
+  background-color: @progress-bar-warning-bg;
+  .progress-striped & {
+    #gradient > .striped(@progress-bar-warning-bg);
+  }
 }
-.progress-warning.progress-striped .bar, .progress-striped .bar-warning {
-  #gradient > .striped(lighten(#f89406, 15%));
+
+// Info (teal)
+.progress-bar-info {
+  background-color: @progress-bar-info-bg;
+  .progress-striped & {
+    #gradient > .striped(@progress-bar-info-bg);
+  }
 }
diff --git a/less/variables.less b/less/variables.less
index 538e2bd8b7..53de5a6ace 100644
--- a/less/variables.less
+++ b/less/variables.less
@@ -9,26 +9,33 @@
 
 // Grays
 // -------------------------
+
 @grayDarker:            #222;
 @grayDark:              #333;
 @gray:                  #555;
 @grayLight:             #999;
 @grayLighter:           #eee;
 
+// Brand colors
+// -------------------------
+
+@brand-primary:         #428bca;
+@brand-success:         #5cb85c;
+@brand-warning:         #f0ad4e;
+@brand-danger:          #d9534f;
+@brand-info:            #5bc0de;
 
 // Scaffolding
 // -------------------------
 
-@body-background:         #fff;
-@text-color:              @grayDark;
-
+@body-background:       #fff;
+@text-color:            @grayDark;
 
 // Links
 // -------------------------
 
-@link-color:              #428bca;
-@link-color-hover:        darken(@link-color, 15%);
-
+@link-color:            #428bca;
+@link-color-hover:      darken(@link-color, 15%);
 
 // Typography
 // -------------------------
@@ -78,19 +85,19 @@
 @btn-background:                     #a7a9aa;
 @btn-border:                         @btn-background;
 
-@btn-background-primary:             @link-color;
+@btn-background-primary:             @brand-primary;
 @btn-border-primary:                 @btn-background-primary;
 
-@btn-background-success:             #5cb85c;
+@btn-background-success:             @brand-success;
 @btn-border-success:                 @btn-background-success;
 
-@btn-background-warning:             #f0ad4e;
+@btn-background-warning:             @brand-warning;
 @btn-border-warning:                 @btn-background-warning;
 
-@btn-background-danger:              #d9534f;
+@btn-background-danger:              @brand-danger;
 @btn-border-danger:                  @btn-background-danger;
 
-@btn-background-info:                #5bc0de;
+@btn-background-info:                @brand-info;
 @btn-border-info:                    @btn-background-info;
 
 
@@ -253,6 +260,16 @@
 @popover-arrow-outer-color:   rgba(0,0,0,.25);
 
 
+// Progress bars
+// -------------------------
+@progress-bg:                 #f5f5f5;
+@progress-bar-bg:             @brand-primary;
+@progress-bar-success-bg:     @brand-success;
+@progress-bar-warning-bg:     @brand-warning;
+@progress-bar-danger-bg:      @brand-danger;
+@progress-bar-info-bg:        @brand-info;
+
+
 // Miscellaneous
 // -------------------------