.form{
	width:650px;
	height:500px;
	padding:20px 20px;
	text-align: 1.5em;
	background-color:#ffffcc;
	margin: 0px auto; 	
}

.form2{
	width:100px;
	padding:0px 0px 30px 0px;
	float:left	
}
.form3{
	width:500px;
	padding:0px 0px 30px 0px;
	float:left
}
.form4{
	width:610px;
	padding:20px 40px;
    margin-left:auto;
	margin-right:auto;
	text-align:center;　
	float:left
}