#head_navigation li{
	float: left;
	width: 150px;
	list-style: none;
}
#head_navigation ul{
	margin: 10px 0px;
}
#head_navigation{
	width: 80%;
	margin: 20px auto;
	text-align: center;
}
a{
	color: black;
	text-decoration: none;
	font-size: 18px;
}
#head_navigation span:hover{
	color: firebrick;
	cursor: pointer;
}
.a{
	clear: both;
	margin: 20px 0px;
}
.ss{
	display: none;
}
.cc{
	display: none;
}
.dd{
	display: none;
}
.home{
	margin:0px;
	padding: 50px;
	background:url(../img/liveTelecast.jpg) -300px 0px no-repeat ;
	height: 260px;
}
.class{
	background: lightgreen;
	padding: 15px;
	color: white;
	font-size: 16px;
	clear: both;
	margin: 20px 80px 0px 730px;
	width: 450px;
	text-align: center;
}
.class span{
	font-size: 25px;
}
.edu{
	background: #20B2AA;
	padding: 15px;
	color: white;
	font-size: 16px;
	clear: both;
	margin: 20px 80px 0px 730px;
	width: 450px;
	text-align: center;
}
.show1{
	padding: 70px 0px;
	margin:-16px 0px 0px 0px;
	background: aliceblue;
	clear: both;
	width: 100%;
	text-align: center;
	height: 180px;
}
.a1,.a2{
	margin: 40px;
	height: 172px;
}
.b1,.b2{
	float: left;
	width: 49%;
}
.a1 .b1,.a2 .b2{
	text-align: center;
}
.a2 .b1{
	line-height: 20x;
	text-align: right;
	background: seashell;
	border: 1px solid gainsboro;
	height: 172px;
	border-radius: 0px 81px 81px 0px;
}
.a1 .b2{
	line-height: 20px;
	text-align: left;
	background: seashell;
	border: 1px solid gainsboro;
	height: 172px;
	border-radius: 81px 0px 0px 81px;
}
.c1{
	margin: 35px;
}
.vv{
	margin: 60px;
}
.a1 span,.a2 span{
	line-height: 30px;
	font-size: 25px;
}
.education{
	margin-top: 30px;
}
#logo{
	width: 40px;
	height: 35px;
	margin-left: 35px;
}