body {
	font-family: Tahoma;
	color: #000000;
	margin: auto;
	width: 900px;
}
html{
	background-color: #D3D3D3; /* light grey */
}

section{ /* was <div id="content"> now has been updated to <section> */
	margin: auto;
}
nav {
	padding-top:10px;
	padding-bottom:131px;
}

div.navigationlinks{ 
	background-color: #00675F; /* green-ey aqua-ish colour */
	color: #ffffff;
	padding: 10px;
}

main  {
	width: 880px;
	background-color: #ffffff; /* white*/
	padding: 10px;
}

footer {
	background-color: #00675F; /* green-ey aqua-ish colour */
	color:#ffffff; /* white */
	padding: 10px;
	text-align: right;
}
.image {
	display: block;
	width: 100%;
	height: auto;
}

.container {
	position: relative;
	width: 50%;
}


.overlay {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	height: 100%;
	width: 100%;
	opacity: 0;
	transition: .5s ease;
	background-color: #ffffff; /* #008CBA */
}

.container:hover .overlay {
  opacity: 0.7;
}

.text {
	color: black;
	font-size: 20px;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	-ms-transform: translate(-50%, -50%);
}

/* Navigation Links */
a.nav{font-weight: bold;}
a.nav:link{color: #ffffff;} /* white */
a.nav:visited{color: #ffffff;} /* white */
a.nav:hover{color: #E59931;} /* orange */
a.nav:active{color: #E59931;} /* orange */

/* Page links */
a{font-weight: bold;}
a:link{color: #286394;}
a:visited{color: #286394;}
a:hover{color: #E59931;} /* orange */
a:active{color: #E59931;} /* orange */