Flex Hello

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/halo" minWidth="1024" minHeight="768" width="435" height="343" backgroundColor="#3F3F3F" backgroundGradientColors="[#4A4A4A,#6F6f6F]" layout="absolute" backgroundGradientAlphas="[1.0,1.0]">
    <mx:Label text="EMPLOYEE" x="77" y="40" width="95" color="#FFFFFF" fontSize="15" fontWeight="bold" fontFamily="aria"/>
    <mx:Label x="181" y="40" text="MANAGEMENT" color="#C73F10" fontSize="15" fontFamily="aria" fontWeight="bold"/>
    <mx:Label x="80" y="79" text="First Name:" width="83"/>
    <s:TextInput id="firstName" x="153" y="79" width="142" color="#111111"/>
    <mx:Label x="80" y="108" text="Last Name:"/>
    <s:TextInput id="lastName" x="153" y="106" width="142" color="#111111" text="{firstName.text}"/>
    <mx:Label x="108" y="136" text="Email:"/>
    <s:TextInput x="153" y="134" width="142" color="#111111"/>
    <mx:Label x="58" y="162" text="Home Address:" width="92" height="18"/>
    <s:TextInput x="153" y="162" width="142" color="#111111"/>
    <mx:Label x="121" y="187" text="City:" width="30"/>
    <s:TextInput x="153" y="188" width="142" color="#111111"/>
    <mx:Label x="113" y="216" text="State:"/>
    <mx:ComboBox x="153" y="215" editable="true" width="142" color="#111111">
        <mx:ArrayCollection>
            <fx:String>四川省</fx:String>
            <fx:String>河南省</fx:String>
            <fx:String>山西省</fx:String>
        </mx:ArrayCollection>
    </mx:ComboBox>
    <mx:Label x="124" y="244" text="Zip:"/>
    <s:TextInput x="153" y="242" width="142" color="#111111"/>
    <s:Button x="153" y="271" label="submit" color="#2F33D9" fontWeight="normal"/>
    <fx:Style source="De_1.css"/>
</mx:Application>