diff --git a/bootstrap.css b/bootstrap.css
index 8192b24c8a..acd0ae5c88 100644
--- a/bootstrap.css
+++ b/bootstrap.css
@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Sun Jan 15 18:32:40 PST 2012
+ * Date: Mon Jan 16 16:01:19 PST 2012
  */
 html, body {
   margin: 0;
@@ -2939,17 +2939,25 @@ a.thumbnail:hover {
 .accordion {
   padding: 0;
 }
+.accordion-group {
+  margin-bottom: 9px;
+  background-color: #eee;
+  -webkit-border-radius: 4px;
+  -moz-border-radius: 4px;
+  border-radius: 4px;
+}
 .accordion-heading {
-  padding: 5px 10px;
-  border: 1px solid #ddd;
+  display: block;
+  padding: 9px 15px;
 }
 .accordion-body {
-  padding: 10px;
-  margin-left: 0;
-  margin-bottom: 9px;
-  border: 1px solid #ddd;
-  border-top: 0;
   display: none;
+  padding: 15px;
+  margin-left: 0;
+  border-top: 1px solid #ddd;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
+  -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
 }
 .accordion .in {
   display: block;
diff --git a/bootstrap.min.css b/bootstrap.min.css
index 6e348c597a..93b85abc1a 100644
--- a/bootstrap.min.css
+++ b/bootstrap.min.css
@@ -514,8 +514,9 @@ a.thumbnail:hover{border-color:#0088cc;-webkit-box-shadow:0 1px 4px rgba(0, 105,
 .progress.info .bar{background-color:#339bb9;background-image:-khtml-gradient(linear, left top, left bottom, from(#5bc0de), to(#339bb9));background-image:-moz-linear-gradient(top, #5bc0de, #339bb9);background-image:-ms-linear-gradient(top, #5bc0de, #339bb9);background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0%, #5bc0de), color-stop(100%, #339bb9));background-image:-webkit-linear-gradient(top, #5bc0de, #339bb9);background-image:-o-linear-gradient(top, #5bc0de, #339bb9);background-image:linear-gradient(top, #5bc0de, #339bb9);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#5bc0de', endColorstr='#339bb9', GradientType=0);}
 .progress.info.striped .bar{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);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:-ms-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{padding:0;}
-.accordion-heading{padding:5px 10px;border:1px solid #ddd;}
-.accordion-body{padding:10px;margin-left:0;margin-bottom:9px;border:1px solid #ddd;border-top:0;display:none;}
+.accordion-group{margin-bottom:9px;background-color:#eee;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;}
+.accordion-heading{display:block;padding:9px 15px;}
+.accordion-body{display:none;padding:15px;margin-left:0;border-top:1px solid #ddd;-webkit-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.25);-moz-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.25);box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.25);}
 .accordion .in{display:block;}
 .carousel{position:relative;line-height:1;}
 .carousel-inner{overflow:hidden;width:100%;position:relative;}
diff --git a/docs/base-css.html b/docs/base-css.html
index ccc2216c67..3ba3e4525d 100644
--- a/docs/base-css.html
+++ b/docs/base-css.html
@@ -81,7 +81,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
diff --git a/docs/components.html b/docs/components.html
index 1343a4279d..dd7f098b5f 100644
--- a/docs/components.html
+++ b/docs/components.html
@@ -81,7 +81,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
diff --git a/docs/index.html b/docs/index.html
index 62931daac1..c30417c8f5 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -82,7 +82,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
diff --git a/docs/javascript.html b/docs/javascript.html
index 1a6565c399..5435784266 100644
--- a/docs/javascript.html
+++ b/docs/javascript.html
@@ -82,7 +82,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
@@ -151,7 +151,7 @@
         <div class="span3">
           <label>
             <h3><a href="./javascript.html#tooltips">Tooltips</a><input checked="true" value="bootstrap-tooltip.js" type="checkbox"></h3>
-            <p>A new take on the jQuery Tipsy plugin, Tooltips are an updated version, which don't rely on images, uss css3 for animations, and data-attributes for local title storage.</p>
+            <p>A new take on the jQuery Tipsy plugin, Tooltips don't rely on images, uss CSS3 for animations, and data-attributes for local title storage.</p>
           </label>
         </div>
         <div class="span3">
@@ -196,7 +196,7 @@
         <div class="span3">
           <label>
             <h3><a href="./javascript.html#transitions">Transitions</a> <small class="muted">*</small><input value="bootstrap-transition.js" checked="true" type="checkbox"></h3>
-            <p>For simple transition effects, include bootstrap-transition.js once to slide in modals or fade out alert messages.</p>
+            <p>For simple transition effects, include bootstrap-transition.js once to slide in modals or fade out alerts.</p>
             <p class="muted"><strong>*</strong> Required for animation in plugins</p>
           </label>
         </div>
@@ -1079,38 +1079,43 @@ $('#my-alert').bind('closed', function () {
         <div class="span9 columns">
           <h2>Example accordion</h2>
           <p>Using the collapse plugin, we built a simple accordion style widget:</p>
-          <dl class="accordion" id="accordion">
-            <dt class="accordion-heading">
-              <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
-                Collapsible Group Item #1
+
+          <div class="accordion">
+            <div class="accordion-group">
+              <a class="accordion-heading" data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
+                Collapsible group #1
               </a>
-            </dt>
-            <dd id="collapseOne" class="accordion-body collapse in">
-              <p>
-              Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
-              </p>
-            </dd>
-            <dt class="accordion-heading">
-              <a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
-                Collapsible Group Item #2
+              <div class="accordion-body collapse in" id="collapseOne">
+                <h5>Lorem ipsum</h5>
+                <p>Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.</p>
+                <p>Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et.</p>
+                <p>Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.</p>
+              </div>
+            </div>
+            <div class="accordion-group">
+              <a class="accordion-heading" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
+                Collapsible group #2
               </a>
-            </dt>
-            <dd id="collapseTwo" class="accordion-body collapse">
-              <p>
-              Blog +1 eiusmod, williamsburg chambray craft beer brooklyn. Trust fund squid whatever, sunt hoodie skateboard mustache 3 wolf moon art party wes anderson ad leggings officia. Skateboard keytar incididunt gluten-free retro sartorial, single-origin coffee et viral. Art party blog sunt, readymade fugiat 8-bit aesthetic ex echo park fanny pack keytar. Thundercats sustainable labore, mustache adipisicing tattooed dolore aute occaecat velit 8-bit raw denim letterpress. In occaecat freegan, next level single-origin coffee chambray excepteur nihil duis exercitation adipisicing ex sartorial twee squid. You probably haven't heard of them fugiat ea retro eiusmod quis cosby sweater, +1 fap sapiente biodiesel banksy.
-              </p>
-            </dd>
-            <dt class="accordion-heading">
-              <a data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
-                Collapsible Group Item #3
+              <div class="accordion-body collapse" id="collapseTwo">
+                <h5>Lorem ipsum</h5>
+                <p>Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.</p>
+                <p>Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et.</p>
+                <p>Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.</p>
+              </div>
+            </div>
+            <div class="accordion-group">
+              <a class="accordion-heading" data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
+                Collapsible group #3
               </a>
-            </dt>
-            <dd id="collapseThree" class="accordion-body collapse">
-              <p>
-              Tempor gentrify pariatur nihil salvia, irony synth incididunt odio commodo brunch aute. Four loko est vice echo park wes anderson jean shorts, tempor ea vero locavore. Seitan DIY dolore readymade williamsburg viral. Dolor fap master cleanse delectus, ad butcher labore duis vice mollit cillum exercitation eu banh mi. Austin banksy 3 wolf moon locavore sed, helvetica next level VHS you probably haven't heard of them ethical odio. Incididunt locavore minim, do seitan consequat qui thundercats labore before they sold out retro laborum. Esse twee readymade laboris fap vice, voluptate DIY.
-              </p>
-            </dd>
-          </dl>
+              <div class="accordion-body collapse" id="collapseThree">
+                <h5>Lorem ipsum</h5>
+                <p>Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod.</p>
+                <p>Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et.</p>
+                <p>Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.</p>
+              </div>
+            </div>
+          </div>
+
           <hr>
           <h2>Using bootstrap-collapse.js</h2>
           <p>Enable via javascript:</p>
diff --git a/docs/less.html b/docs/less.html
index 357f242b10..6e43d95bd1 100644
--- a/docs/less.html
+++ b/docs/less.html
@@ -81,7 +81,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
diff --git a/docs/scaffolding.html b/docs/scaffolding.html
index eab6fedf52..77b94d8ce3 100644
--- a/docs/scaffolding.html
+++ b/docs/scaffolding.html
@@ -81,7 +81,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
diff --git a/docs/upgrading.html b/docs/upgrading.html
index e1b9f204e3..42521bb9a8 100644
--- a/docs/upgrading.html
+++ b/docs/upgrading.html
@@ -81,7 +81,7 @@
                 <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
-                <li><a href="./javascript.html#transitions">Transition</a></li>
+                <li><a href="./javascript.html#javascript">Overview</a></li>
                 <li><a href="./javascript.html#modals">Modal</a></li>
                 <li><a href="./javascript.html#dropdowns">Dropdown</a></li>
                 <li><a href="./javascript.html#scrollspy">Scrollspy</a></li>
diff --git a/lib/accordion.less b/lib/accordion.less
index babbe85f92..25e8fec631 100644
--- a/lib/accordion.less
+++ b/lib/accordion.less
@@ -4,17 +4,21 @@
 .accordion {
   padding: 0;
 }
+.accordion-group {
+  margin-bottom: @baseLineHeight / 2;
+  background-color: #eee;
+  .border-radius(4px);
+}
 .accordion-heading {
-  padding: 5px 10px;
-  border: 1px solid #ddd;
+  display: block;
+  padding: 9px 15px;
 }
 .accordion-body {
-  padding: 10px;
-  margin-left: 0;
-  margin-bottom: @baseLineHeight / 2;
-  border: 1px solid #ddd;
-  border-top: 0;
   display: none;
+  padding: 15px;
+  margin-left: 0;
+  border-top: 1px solid #ddd;
+  .box-shadow(inset 0 1px 0 rgba(255,255,255,.25));
 }
 .accordion .in {
   display: block;