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


#mains_img { font-size: 6em; font-weight: bold; }
#mains_img img {
	height: 38vh;
	width: auto;
}


#mains_tutorial { font-size: 2em; }

.mains_rotate0 { transform: rotate(0deg); }
.mains_rotate90 { transform: rotate(90deg); }
.mains_rotate180 { transform: rotate(180deg); }
.mains_rotate270 { transform: rotate(270deg); }