input.fleches_round {
	border-radius: 5em;
	border-radius: 15vh;
	width: 10em;
	width: 25vh;
	height: 10em;
	height: 25vh;
	padding: 0;
	-webkit-box-shadow: 4px 9px 0px #555;
	-moz-box-shadow: 4px 9px 0px #555;
	box-shadow: 4px 9px 0px #555;
	background-color: #ddd;
}

.fleches_pic {
	height: 38vh;
	width: auto;
}

#fleches_middle { font-size: 6em; font-weight: bold; }

#fleches_tutorial { font-size: 2em; }