#body {
	max-width: 1280px;
	margin: auto;
}

.tutorial-examples {
	box-shadow: inset 25px 0px 25px -25px #000;
	-moz-box-shadow: inset 25px 0px 25px -25px #000;
	-o-box-shadow: inset 25px 0px 25px -25px #000;
	-webkit-box-shadow: inset 25px 0px 25px -25px #000;
	position: relative;
}

.example-anchor {
	border: 1px solid grey;
	position: relative;
	margin: 50px 0;
}

.example-anchor:after {
	content: ' ';
	display: block;
	height: 20px;
	width: 20px;
	border: 1px solid grey;
	border-radius: 10px;
	background-color: red;
	position: absolute;
	top: -10px;
	right: -20px;
	z-index: 10;
}

div.example-block {
  left: 0;
	width: 100%;
	text-align: center;
}