format the sample codes of button page

components/button/demo/basic.md

@@ -9,10 +9,8 @@
 ---
 
 ````html
-<div>
-  <button class="ant-btn ant-btn-default">Button</button>
-  <a href="javascript:;" class="ant-btn ant-btn-default" role="button">Link</a>
-  <input class="ant-btn ant-btn-default" type="button" value="Input" />
-  <input class="ant-btn ant-btn-default" type="submit" value="Submit" />
-</div>
+<button class="ant-btn ant-btn-default">Button</button>
+<a href="javascript:;" class="ant-btn ant-btn-default" role="button">Link</a>
+<input class="ant-btn ant-btn-default" type="button" value="Input" />
+<input class="ant-btn ant-btn-default" type="submit" value="Submit" />
 ````

components/button/demo/icon.md

@@ -7,41 +7,39 @@
 ---
 
 ````html
-<div>
-  <button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-lg">
-    <span class="anticon anticon-search"></span>
-  </button>
-  <button class="ant-btn ant-btn-primary ant-btn-lg">
-    <span class="anticon anticon-search"></span>
-    <span>大按钮</span>
-  </button>
+<button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-lg">
+  <span class="anticon anticon-search"></span>
+</button>
+<button class="ant-btn ant-btn-primary ant-btn-lg">
+  <span class="anticon anticon-search"></span>
+  <span>大按钮</span>
+</button>
   
-  <button class="ant-btn ant-btn-primary ant-btn-circle">
-    <span class="anticon anticon-search"></span>
-  </button>
-  <button class="ant-btn ant-btn-primary">
-    <span class="anticon anticon-search"></span>
-    <span>中按钮</span>
-  </button>
+<button class="ant-btn ant-btn-primary ant-btn-circle">
+  <span class="anticon anticon-search"></span>
+</button>
+<button class="ant-btn ant-btn-primary">
+  <span class="anticon anticon-search"></span>
+  <span>中按钮</span>
+</button>
   
-  <button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-sm">
+<button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-sm">
   <span class="anticon anticon-search"></span>
-  </button>
-  <button class="ant-btn ant-btn-primary ant-btn-sm">
+</button>
+<button class="ant-btn ant-btn-primary ant-btn-sm">
   <span class="anticon anticon-search"></span>
   <span>小按钮</span>
-  </button>
+</button>
 
-  <p></p>
-  
-  <button class="ant-btn ant-btn-ghost ant-btn-circle-outline ant-btn-lg">
+<p></p>
+
+<button class="ant-btn ant-btn-ghost ant-btn-circle-outline ant-btn-lg">
   <span class="anticon anticon-search"></span>
-  </button>
-  <button class="ant-btn ant-btn-ghost ant-btn-circle-outline">
+</button>
+<button class="ant-btn ant-btn-ghost ant-btn-circle-outline">
   <span class="anticon anticon-search"></span>
-  </button>
-  <button class="ant-btn ant-btn-default ant-btn-circle-outline ant-btn-sm">
+</button>
+<button class="ant-btn ant-btn-default ant-btn-circle-outline ant-btn-sm">
   <span class="anticon anticon-search"></span>
-  </button>
-</div>
+</button>
 ````
\ No newline at end of file

components/button/demo/loading.md

@@ -7,13 +7,11 @@
 ---
 
 ````html
-<div>
-  <button class="ant-btn ant-btn-primary ant-btn-circle">
-	<span class="anticon anticon-loading" ></span>
-  </button>
-  <button class="ant-btn ant-btn-primary">
-	<span>加载按钮</span>
-	<span class="anticon anticon-loading"></span>
-  </button>
-</div>
+<button class="ant-btn ant-btn-primary ant-btn-circle">
+  <span class="anticon anticon-loading" ></span>
+</button>
+<button class="ant-btn ant-btn-primary">
+  <span>加载按钮</span>
+  <span class="anticon anticon-loading"></span>
+</button>
 ````

components/button/demo/menu.md

@@ -9,27 +9,25 @@
 ---
 
 ````html
-<div>
-  <button class="ant-btn ant-btn-primary ant-btn-menu ant-btn-lg">
-    <span>大号菜单</span>
-    <span class="anticon anticon-bars"></span>
-  </button>
-  <button class="ant-btn ant-btn-primary ant-btn-menu">
-    <span>中号菜单</span>
-    <span class="anticon anticon-bars"></span>
-  </button>
-  <button class="ant-btn ant-btn-primary ant-btn-menu sm">
-    <span>小号菜单</span>
-    <span class="anticon anticon-bars"></span>
-  </button>
-  <button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-menu ant-btn-lg">
-    <span class="anticon anticon-bars"></span>
-  </button>
-  <button class="ant-btn ant-btn-ghost ant-btn-circle ant-btn-menu">
-    <span class="anticon anticon-bars"></span>
-  </button>
-  <button class="ant-btn ant-btn-default ant-btn-circle-outline ant-btn-menu ant-btn-sm">
-    <span class="anticon anticon-bars"></span>
-  </button>
-</div>
+<button class="ant-btn ant-btn-primary ant-btn-menu ant-btn-lg">
+  <span>大号菜单</span>
+  <span class="anticon anticon-bars"></span>
+</button>
+<button class="ant-btn ant-btn-primary ant-btn-menu">
+  <span>中号菜单</span>
+  <span class="anticon anticon-bars"></span>
+</button>
+<button class="ant-btn ant-btn-primary ant-btn-menu sm">
+  <span>小号菜单</span>
+  <span class="anticon anticon-bars"></span>
+</button>
+<button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-menu ant-btn-lg">
+  <span class="anticon anticon-bars"></span>
+</button>
+<button class="ant-btn ant-btn-ghost ant-btn-circle ant-btn-menu">
+  <span class="anticon anticon-bars"></span>
+</button>
+<button class="ant-btn ant-btn-default ant-btn-circle-outline ant-btn-menu ant-btn-sm">
+  <span class="anticon anticon-bars"></span>
+</button>
 ````

components/button/demo/size.md

@@ -11,9 +11,7 @@
 ---
 
 ````html
-<div>
-  <button class="ant-btn ant-btn-primary ant-btn-lg">大号按钮</button>
-  <button class="ant-btn ant-btn-primary">中号按钮(默认)</button>
-  <button class="ant-btn ant-btn-primary ant-btn-sm">小号按钮</button>
-</div>
+<button class="ant-btn ant-btn-primary ant-btn-lg">大号按钮</button>
+<button class="ant-btn ant-btn-primary">中号按钮(默认)</button>
+<button class="ant-btn ant-btn-primary ant-btn-sm">小号按钮</button>
 ````

components/button/demo/status.md

@@ -11,17 +11,15 @@
 ---
 
 ````html
-<div>
-    <button class="ant-btn ant-btn-primary">主按钮</button>
-    <button class="ant-btn ant-btn-primary active">主按钮(激活)</button>
-    <button class="ant-btn ant-btn-primary disabled">主按钮(失效)</button>
-    <p></p>
-    <button class="ant-btn ant-btn-default">次按钮</button>
-    <button class="ant-btn ant-btn-default active">次按钮(激活)</button>
-    <button class="ant-btn ant-btn-default disabled">次按钮(失效)</button>
-    <p></p>
-    <button class="ant-btn ant-btn-ghost">幽灵按钮</button>
-    <button class="ant-btn ant-btn-ghost active">幽灵按钮(激活)</button>
-    <button class="ant-btn ant-btn-ghost disabled">幽灵按钮(失效)</button>
-</div>
+<button class="ant-btn ant-btn-primary">主按钮</button>
+<button class="ant-btn ant-btn-primary active">主按钮(激活)</button>
+<button class="ant-btn ant-btn-primary disabled">主按钮(失效)</button>
+<p></p>
+<button class="ant-btn ant-btn-default">次按钮</button>
+<button class="ant-btn ant-btn-default active">次按钮(激活)</button>
+<button class="ant-btn ant-btn-default disabled">次按钮(失效)</button>
+<p></p>
+<button class="ant-btn ant-btn-ghost">幽灵按钮</button>
+<button class="ant-btn ant-btn-ghost active">幽灵按钮(激活)</button>
+<button class="ant-btn ant-btn-ghost disabled">幽灵按钮(失效)</button>
 ````

components/button/demo/styled.md

@@ -17,9 +17,7 @@
 ---
 
 ````html
-<div>
-  <button class="ant-btn ant-btn-primary">主按钮</button>
-  <button class="ant-btn ant-btn-default">次按钮</button>
-  <button class="ant-btn ant-btn-ghost">幽灵按钮</button>
-</div>
+<button class="ant-btn ant-btn-primary">主按钮</button>
+<button class="ant-btn ant-btn-default">次按钮</button>
+<button class="ant-btn ant-btn-ghost">幽灵按钮</button>
 ````