body {
	background-position: top; text-align: center; color: rgb(102, 102, 102); line-height: 120%; font-family: "microsoft yahei", simhei; font-size: 14px; background-image: url("login-bg2.jpg"); background-repeat: repeat-x; background-color: rgb(255, 255, 255);
}
.buttom {
	width: 800px; height: auto; margin-right: auto; margin-left: auto;
}
.buttom img {
	margin-right: 20px; margin-left: 20px;
}