#banner {
	width: 800px;
	height: 550px;
	border: 1px solid white;
	margin: 0px 0 0 270px;
	padding-top: 40px;
	background: url("../themes/images/lab1/a.jpg") no-repeat;
	background-size: 100% 100%;
	margin-bottom: 80px;
}

#left {
	width: 300px;
	height: 400px;
	float: left;
	margin-left: 80px;
}

#right {
	width: 300px;
	height: 400px;
	float: right;
	margin-right: 80px;
}

.a {
	width: 220px;
	height: 160px;
	margin: 20px 0 30px 0; /*  // trên,phải ,dưới,trái// */
	border-radius: 20px;
	border: 1px solid blue;
}

#search-site {
	width: 230px;
	height: 35px;
	background: red;
	position: relative;
	border-radius: 4px;
	-webkit-border-radius: 4px;
	-moz-border-radius: 4px;
	margin-top: -40px;
	margin-left: -40px;
}

.topinput {
	float: left;
	width: 162px;
	margin-left: 8px;
	border: 0;
	position: relative;
	background: #fff;
	height: 30px;
	text-indent: 10px;
	font-size: 13px
}

.btntop {
	float: right;
	width: 40px;
	height: 35px;
	border: 0;
	background: none;
}

.span9 jframe {
	margin-left: 100px !important;
}

/* css lab2 */
/* .filene {
	width: 100%;
	height: 700px;
	border: 1px solid red;
} */
#left2 {
	width: 40%;
	height: 100%;
	float: left;
	margin: 30px 0 0 134px;
	border-radius: 10px;
	border: 1px solid gray;
}

#right2 {
	width: 40%;
	height: 534px;
	float: right;
	margin: 30px 135px 0 0;
	border-radius: 10px;
	border: 1px solid gray;
}

/* tabs */
/* Style the tab */
div.tab {
	overflow: hidden;
	border: 1px solid #ccc;
	background-color: #f1f1f1;
}

/* Style the buttons inside the tab */
div.tab button {
	background-color: inherit;
	float: left;
	border: none;
	outline: none;
	cursor: pointer;
	padding: 14px 16px;
	transition: 0.3s;
	font-size: 17px;
}

/* Change background color of buttons on hover */
div.tab button:hover {
	background-color: #ddd;
}

/* Create an active/current tablink class */
div.tab button.active {
	background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
	display: none;
	padding: 6px 12px;
	border: 1px solid #ccc;
	border-top: none;
}

/* Style the close button */
.topright {
	float: right;
	cursor: pointer;
	font-size: 20px;
}

.topright:hover {
	color: red;
}
/* menu Dropdown */
.dropbtn {
	background-color: #4CAF50;
	color: white;
	padding: 16px;
	font-size: 16px;
	border: none;
	cursor: pointer;
}

.dropdown {
	position: relative;
	display: inline-block;
}

.dropdown-content {
	display: none;
	position: absolute;
	background-color: #f9f9f9;
	min-width: 160px;
	box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
	z-index: 1;
}

.dropdown-content a {
	color: black;
	padding: 12px 16px;
	text-decoration: none;
	display: block;
}

.dropdown-content a:hover {
	background-color: #f1f1f1
}

.dropdown:hover .dropdown-content {
	display: block;
}

.dropdown:hover .dropbtn {
	background-color: #3e8e41;
}
/* --- */