body {
	font-family: calibri;
	font-size: 20px;
	background-color: #77D67C;
}
a:hover, a:active, a:visited, a{
	color: #aaa;
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}
.header{
	display: flex; 
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 50px;
	color: #aaa;
	background-color: #353535;
	z-index: 15;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	word-break: break-all;
	word-wrap: break-word;
}
.header-logo img{
height: 50px;
width: auto;
}
.header-title{
	font-size: 25px;
	color: #fff;
	line-height: 47px;
	text-align: center;
	vertical-align: middle;
}
.header-navigation ul {
	margin: 10px 0px;
}

.header-navigation  li {
	list-style-type: none;
	display: inline-block;
	text-align: center;
	font-size: 20px;
	line-height: 20px;
	margin: 0px auto;
	padding: 0px 10px;
}
.content{
	position: relative;
	padding-top: 50px;
	max-width: 1200px;
	margin: 0px auto;
	text-align: justify;
	background-color: #92FF99;
	padding: 10px;
	height: 100%;
}
.image-group{
	margin: 0 auto;
	width: 450px;
	padding: 50px;
}
.row{
	padding: 10px 0px;
	
}
.row img{
	height:200px;
	width: 200px;
	padding: 0px 10px;
}