body
{
	background-color: black;
	background-image: url("images/background3.jpg");
}
.sec1
{
	width: 100%;
	height: auto;
}
.cdiv1
{
	overflow: hidden;
	background-color: gray;
	height: 4em;
}
.cdiv1 a
{
    float: left;
    margin-left: 12em;
    display: inline-block;
    color: green;
    text-align: center;
    padding: 25px 16px;
    text-decoration: none;
    font-size: 1em;
    font-weight: bold;
}
.cdiv1 a:hover
{
	background-color: darkblue;
	color: black;
	font-weight: bold;
	font-size: 1em;
}
.cdiv1 a.active
{
    background-color: #4CAF50;
    color: black;
}
.cdiv2
{
	overflow: hidden;
	background-color: ;
	height: auto;
	width: 30em;
	float: left;
}
.cdiv2 img
{
	width: 20em;
	height: 20em;
	margin-left: 10em;
	margin-top: 4em;
}
.cdiv3
{
	overflow:auto ;
	overflow-wrap: break-word;
	height: 10em;
	width: 30em;
	float: right;
	margin-top: 4em;
	color: green;
	font-size: 1.5em;
	text-align: center;
	background-image: url("images/background3.jpg");
	margin-left: -20em;
}
.cdiv4
{
	
	height: auto;
	width: 100%;
	float: right;
	margin-top: 4em;
	color: green;
	font-size: 1.5em;
	text-align: center;
	background-image: url("images/background1.jpg");
	margin-left: -20em;
}