You can now use the attribute in place of if you want to.

CHANGELOG.md

@@ -1,6 +1,11 @@
 All notable changes to this project will be documented in this file.
 We follow the [Semantic Versioning 2.0.0](http://semver.org/) format.
 
+## 1.5.1 - 2015-05-18
+
+### Added
+- You can now use the `disabled` attribute in place of `btn__disabled` if you want to.
+
 ## 1.5.0 - 2015-05-18
 
 ### Added

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "cf-buttons",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "Button styles including default, secondary, destructive, disabled, super, and compound buttons, button links, buttons with icons, and button groups for Capital Framework.",
   "keywords": [
     "capital-framework",

demo/index.html

@@ -120,13 +120,15 @@
 <a href="#" class="btn btn__disabled">Anchor Tag</a>
 <button class="btn btn__disabled">Button Tag</button>
 <input type="submit" value="Input Tag" class="btn btn__disabled">
+<button class="btn" disabled>Button Tag w/ disabled attr</button>
 </div><br>
       </div>
       <div>
         <div>
 <a href="#" class="btn btn__disabled focus">Anchor Tag</a>
 <button class="btn btn__disabled focus">Button Tag</button>
 <input type="submit" value="Input Tag" class="btn btn__disabled focus">
+<button class="btn focus" disabled>Button Tag w/ disabled attr</button>
 </div><br>
       </div>
     </div>
@@ -201,6 +203,10 @@
     <span class="btn_icon__left cf-icon cf-icon-left"></span>
     Button Tag
 </button>
+<button class="btn" disabled>
+    <span class="btn_icon__left cf-icon cf-icon-left"></span>
+    Button Tag w/ disabled attr
+</button>
 </div><br>
       </div>
       <div>
@@ -243,6 +249,10 @@
     Button Tag
     <span class="btn_icon__right cf-icon cf-icon-right"></span>
 </button>
+<button class="btn" disabled>
+    Button Tag w/ disabled attr
+    <span class="btn_icon__right cf-icon cf-icon-right"></span>
+</button>
 </div><br>
       </div>
       <div>
@@ -345,6 +355,12 @@
 </button>
 <br>
 <br>
+<button class="btn btn__grouped-first" disabled>Button w/ disabled attr</button>
+<button class="btn btn__grouped-last btn__compound-action" disabled>
+    <span class="cf-icon cf-icon-down btn__grouped-last"></span>
+</button>
+<br>
+<br>
 <a href="#" class="btn btn__grouped-first btn__super">Anchor</a>
 <a href="#" class="btn btn__grouped-last btn__super btn__compound-action">
     <span class="cf-icon cf-icon-down btn__grouped-last"></span>