html {
    max-height:800px;
	
	overflow: auto;
}
body{
    margin:0;
    padding:0;
	font-family:"黑体","Helvetica Neue","Hiragino Sans GB","Segoe UI","Microsoft Yahei","微软雅黑",Tahoma,Arial,STHeiti,sans-serif;
	cursor: default;
}
.main_body{
    position:relative;
	top: 0px;
	left: 0px;
    background: url('images/background.jpg') no-repeat;
    height:100%;
	min-width:1000px;
    min-height:800px;
	width:auto;
    -webkit-background-size:cover;
	-moz-background-size:cover;
	-o-background-size:cover;
	background-size:cover;
	
}
.header{
	position: relative;
	/*background: #aaa;*/
	min-width: 1000px;
	width: 100%;
	height: 44px;
}
.main{
	position: relative;
	width: 1000px;
	margin: 0 auto;
}

.earth{
	position: absolute;
	width: 460px;
	height: 650px;
	margin-top: -120px;
	margin-left: 30px;
	float: left;
	background: url(images/earth.png);
	background-size: 100%;

}

.login_box{
	z-index: 100;
	position: relative;
	margin-top: 140px;
	margin-left: 540px;
	right: 0px;
	width: 330px;
	height: 240px;
}

.main_logo{
	position: relative;
	display: inline-block;
	width: 500px;
	height: 214px;
	margin-left: -60px;
    margin-top:-60px;
	background: url('images/main_logo.png') no-repeat;
	background-size: 100%;
}
.text{
	height: 37px;
	width: 55px;
	font-family: "黑体";
	text-align: center;
	font-weight: bold;
	color: #353533;
	margin-top: 38px;
	display: block;
	float: left;
}
#txtUserName, #txtPassword{
	position: relative;
	/*margin-right: auto;*/
	border: none;
	outline: none;
	text-align: left;
	line-height: 46px;
	font-size: 16px;
	color: #bdc3c5;
	padding-left: 10px;
	margin-top: 25px;
	background: url('images/sprite.png') no-repeat;
	height: 50px;
	width: 250px;
    float:right;
}
.label-text-tips{
	position: absolute;
    /*left:120px;
	margin-bottom:-25px;
	margin-left:7px;*/
	float:left;
	height:25px;
	line-height:25px;
	color:gray;
	font-size: 16px;
    text-align:left;
} 

.login_button{
	list-style: none;
	border: 0 none;
	color: #fff;
	text-align: center;
	padding-left: 10px;
	outline: none;
	position: relative;
	margin-top: 30px;
	margin-left: 240px;
	width: 85px;
	height: 35px;
	background: url('images/sprite.png') no-repeat; 
	background-position: 0 -56px;
}

.login_button:active{
	background-position: -85px -56px;
	color: #bdc3c5;
}