header{
	background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6) ), url(../img/chania.jpg) 10% 0% fixed;
	height: 450px;
}
.round{
	border-radius: 50%;
}
header img.round{
	width: 200px;
	display: block;
	margin: 5em auto 1em;
	transition: .2s;
}
header img.round:hover{
	transform: scale(1.1);
}
header h1, header p{
	color: #fff;
	text-shadow: 1px 1px 3px #000;
	font-weight: 300;
}

nav.navbar{
	width: 100%;
	position: fixed;
	z-index: 500;
}
.navbar-default{
	background: rgba(0,0,0,.75);
	border: 0;
}
.navbar-default .navbar-nav > li > a, .navbar-default .navbar-brand{
	color: #fff; 
}
.navbar-default .navbar-nav > li > a:hover, .navbar-default .navbar-brand:hover{
	color: #eee; 
}
.navbar-default .navbar-nav > .open > a, .navbar-default .navbar-nav > .open > a:hover, .navbar-default .navbar-nav > .open > a:focus{
	background: rgba(0,0,0,.5);
	color: #fff;
}

section#introduction{
	margin-top: 3em;
}
section#error{
	margin-top: 3em;
}

article h1{
	font-size: 1.75em;
}
article h1 a{
	color: #000;
}
article h4{
	font-size: 1em;
	color: #aaa;
}

article div.col-md-6 > img{
	max-width: 100%;
}

footer, footer a{
	background: #000;
	color: #fff;
}
footer a:hover{
	color: #eee;
}
footer{
	padding: 1em 0;
	margin-top: 2em;
}

.comment_box{
	margin-top: 5px;
}
.comment_head{
	border-top: 1px solid #ddd;
}
.comment_body{

}	

.bg-grey{
	background: #eee;
	padding: 5px;
}
.bg-white{
	background: #fff;
	padding: 5px;
}