update form demo

components/form/demo/mix.md

@@ -43,10 +43,10 @@ React.render(
   <form className="ant-form-horizontal">
     <div className="ant-form-item">
       <label className="col-6" required>Input-Number:</label>
-      <div className="col-6">
+      <div className="col-10">
         <InputNumber min={1} max={10} defaultValue={3} onChange={onInputNumberChange} style={{width:100}}/>
+        <span className="ant-form-text"> 台机器</span>
       </div>
-      <div className="col-3"><p className="ant-form-text"> 台机器</p></div>
     </div>
     <div className="ant-form-item ant-form-item-compact">
       <label className="col-6" required>

style/components/form.less

@@ -85,6 +85,7 @@ input[type="checkbox"] {
 }
 
 .@{css-prefix}form-text, .@{css-prefix}form-split {
+  display: inline-block;
   margin: 0!important;
   padding-top: 7px;
   padding-bottom: 7px;
@@ -155,7 +156,8 @@ form {
   }
 
   .@{inputNumberPrefixCls} {
-    margin: 2px 0;
+    margin-top: -1px;
+    margin-right: 8px;
   }
 }