body {
	width: 800px;
	height: 600px;
	margin: 0 auto;
	overflow: scroll;
}
body a {
	color: green;
	text-decoration: none;
}
body a:hover {
	color: blue;
}
img {
	border: 0;
}
#header {
	width: 100%;
	height: 40%;
}
#shadow {
	-moz-box-shadow:2px 2px 10px #06c; /* For Mozilla Firefox */
	-webkit-box-shadow:2px 2px 10px #06c; /* For Chrome and Safari */
	box-shadow:2px 2px 10px #06c; /* For IE 9 and higher */
	/* -ms-filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=8, Direction=135, Color='#909090')";  /* For IE 8 */
	behavior: url("../css/pie/PIE.htc");
}
.banner {
	width: 100%;
	height: 88%;
	background: url("../image/banner11.png") no-repeat;
	background-size: 800px 212px;
	filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src="../image/banner11.png",sizingMethod='scale') /* For IE 8 */
	margin: 0 auto;
}
#subtitle {
	position: absolute;
	padding-top: 100px;
	padding-left: 65px;
	font-size: 24pt;
	font-family: "华文行楷";
	color: #FF8C00;
}
#subtitle_linux {
	font-family:Times New Roman;
	font-style:italic;
	font-weight:bold;
}
#login_true {
	position: absolute;
	margin-left: 480px;
	top: 7px;
	font-family: "KaiTi";
	font-size: 13pt;
}
#login_false {
	margin-left: 680px;
	padding-top: 5px;
	font-family: "KaiTi";
	font-size: 13pt;
}
.menu {
	width: 100%;
	height: 13%;
	margin-top: 0px;
	background-color: #EDEDFF;
}
.menu ul {
	list-style: none;
}
.menu li {
	float: left;
	padding-top: 6px;
	padding-left: 25px;
	padding-right: 20px;
	font-family: "SimSun" ! important;
	font-size: 12pt;
}
.menu a {
	color: green;
	font-weight: bold;
	text-decoration: none;
}
.menu a:hover {
	color: #0000FF;
}
.introduction {
	width: 95%;
	height: 16%;
	margin-top: 35px;
	padding: 20px;
	border: solid 0px #EEEEEE;
	-moz-border-radius: 8px;
	-webkit-border-radius: 8px;
	border-radius: 8px;
	font-size: 12pt;
	text-indent: 2em;
	line-height: 25px;
	clear: left;
}
#main {
	margin-top: 0%;
	padding-top: 3%;
	width: 100%;
	height: 55%;
	margin: 0 auto;
}
#pic_study {
	margin: 0 auto;
	margin-top: 10px;
	width: 91px;
	height: 100px;
}
#pic_prac {
	margin: 0 auto;
	margin-top: 10px;
	width: 97px;
	height: 100px;
}
#pic_test {
	margin: 0 auto;
	margin-top: 10px;
	width: 80px;
	height: 100px;
}
.home_pic {
	margin: 0 auto;
	margin-top: 20px;
	width: 150px;
	height: 150px;
}
#home_pic_blue {
	background: url("../image/note_blue2.png");
	margin: 0 auto;
	margin-top: 20px;
	width: 150px;
	height: 146px;
	font-size: 12pt;
	line-height: 25px;
}
#home_pic_orange {
	background: url("../image/note_orange2.png");
	margin: 0 auto;
	margin-top: 20px;
	width: 145px;
	height: 146px;
	font-size: 12pt;
	line-height: 30px;
}
#home_pic_green {
	background: url("../image/note_green1.png");
	margin: 0 auto;
	margin-top: 20px;
	width: 140px;
	height: 144px;
	font-size: 12pt;
	line-height: 30px;
}
#main a {
	color: green;
	font-weight: bold;
	text-decoration: none;
}
#main a:hover {
	color: #0000FF;
}
.main_part {
	width: 31%;
	height: 100%;
	float: left;
	margin-left: 15px;
	padding-top: 15px;
	background-color: #EEEEEE;
	border: solid 0px red;
	text-align: center;
	clear: right;
}
.main_title {
	margin-top: 20px;
	font-size: 13pt;
	font-weight: bold;
	font-family: "SimSun" ! important;
	font-size: 13pt;
}
.main_content {
	width: 80%;
	height: 100%;
	padding-top: 20px;
	padding-left: 20px;
	padding-right: 20px;
	font-size: 10pt;
	font-family: "STKaiti" ! important;
	color: #000000;
}
#video {
	margin: 0 auto;
	text-align: center;
}
fieldset {
	width: 650px;
	margin: 0 auto;
}
#prac_task {
	width: 90%;
	clear: left;
	margin: 0 auto;
	margin-top: 2%;
	border: #999999 dotted 0px;
}
#prac {
	width: 100%;
	height: 30%;
	margin: 0 auto;
	margin-top: 20px;
	padding-bottom: 30px;
}
#prac_input {
	width: 90%;
	height: 100%;
	margin: 0 auto;
}
#prac_process {
	width: 90%;
	height: 100%;
	text-align: center;
	margin: 0 auto;
	padding-top: 20px;
	padding-bottom: 20px;
}
#prac textarea {
	width: 99%;
}
table {
	border-collapse: collapse;
	border:1px solid #333333; 
	color:#444444; 
}
table tr {
}
table tr th,td {
	padding: 3px;
}
#study_prog {
	width: 580px;
	height: 400px;
}
#prac_prog {
	width: 580px;
	height: 400px;
}
.sa {
	padding: 40px;
}
#footer {
	clear: left;
	position: relative;
	width: 100%;
	height: 12%;
	border-top: dotted 1px blue;
	margin-top: 50px;
	padding-top: 20px;
	text-align: center;
	font-size: 10pt;
}
#footer a {
	text-decoration: none;
}