.glyphicon, .glyphicon-chevron-left, .glyphicon-chevron-right {
	font-size: 70px;
}
.close {
	font-size: 70px;
}

.modal-header {
	width: 0; /* dummy header, which enforces a whitespice. This whitespace is clickable and clicking on it has the same effect as clicking on the close button */
	border-bottom: none;
}