#showdiv {
	border:solid 1px;
	border-radius:10px;
	width:320px;
	height:400px;
	text-align:center;
	margin:auto;
	margin-top:50px;
	background-color:whitesmoke;
}
input[type=text] {
	margin-top:20px;
	width:290px;
	height:34px;
	font-size:20px;
	font-family:"微软雅黑";
}
input[type=button] {
	width:60px;
	height:60px;
	margin-top:20px;
	margin-left:5px;
	margin-right:5px;
	border-radius:90px;
	font-size:20px;
}
input[type=button]:hover {
	width:60px;
	height:60px;
	margin-top:20px;
	margin-left:5px;
	margin-right:5px;
	border-radius:90px;
	font-size:20px;
	border-color:blue;
}