@charset "utf-8";

* {
	margin:0;
	border:0;
	padding:0;
}

body{
	/*background-color:black;*/
	background-image:url(../images/background.jpg);
	background-repeat:repeat-x repeat-y;
}

.header{
	height:167px;
	width:1100px;
	margin:0 auto;
	/*background-color:white;*/
	background-image:url(../images/header.png);
	background-repeat:repeat-x;
}

.title{
	padding-top:15px;
	margin-left:230px;
	float:left;
}

.member{
	float:right; 
	margin-top:130px; 
	margin-right:10px; 
	color:white;
	font-weight:600;
}

.mainContainer {
	width:1100px;
	margin:0 auto;
	height:750px;
	background-color:white;
}

.main {
	float:left;
	width:720px;
	height:720px;
	background-image:url(../images/main.jpg);
	background-repeat:none;
	margin-left: 20px;
	margin-top: 25px;
}

.main_content{
	padding: 70px;
	display:none;
	height:600px;
}

.main_content_focus{
	display:block;
}

.sideBar{
	float:left;
	width:212px;
	margin-right: 25px;
	margin-left: 60px;
	margin-top: 80px;
}

.sideBar_btn {
	height:55px;
	text-align:center;
	cursor:pointer;
	background-position:top;
	margin-top: 5px;
}

.pointed, .viewing{
	background-position:bottom;
}

#intro_btn{
	background-image:url(../images/intro.jpg);
}

#game_btn{
	background-image:url(../images/game.jpg);
}

#advantage_btn{
	background-image:url(../images/advantage.jpg);
}

#environment_btn{
	background-image:url(../images/environment.jpg);
}

#implement_btn{
	background-image:url(../images/implement.jpg);
}

#demo_btn{
	background-image:url(../images/demo.jpg);
}

.inner_content{
	list-style-type:none;
	/*font-weight:bold;*/
	float:left;
	margin-left:40px;
	margin-top:30px;
}

.inner_content li{
	height:26px;
	padding-left:0px;
}

.inner_content img{
	float:left;
	margin-left:35px;
	margin-top:10px;
}

.advantage_container{
	float:left; 
	width:250px;
	padding-bottom:20px;
}

.advantage_container img{
	margin-left:0px;
	margin-top:5px;
	padding-right:25px;
	padding-bottom:10px;
}

.envir_container{
	float:left; 
	width:260px;
	padding-bottom:20px;
}

.envir_container img{
	margin-left:0px;
	margin-top:5px;
	padding-right:25px;
}

#unity{
	width:300px;
	margin-left:110px;
}

#implement_content{
	text-align:center;
	margin-top:15px;
}

#implement_content img{
	margin-bottom:15px;
}

#video{
	margin-left:35px;
	margin-top:50px;
}

.footer {
	margin:0 auto;
	background-color:white;
	width:1100px;
	text-align:center;
	padding-bottom:10px;
}