* {
	margin: 0px;
	padding: 0px;
	font-family: 'Roboto', sans-serif;
}

#scene {
	width: 875px;
	height: 400px;
	margin: 0 auto;
	padding-top: 80px;
	position: relative;
	text-align: center;
}

#ex-wrap {
	color: black;
	font-size: 2.9em;
}

#inter-wrap {
	background-color: red;
	width: 875px;
	height: 83px;
	background: url(static/sprite.png);
	margin-top: 100px;
}

#arc-wrap {
	width: 845px;
	height: 200px;
	position: absolute;
	margin-left: 34px;
}

canvas {
	display: block;
	border: 0px none black;
}

.input-answer-min {
	width: 25px;
	font-size: 30px;
	height: 25px;
	text-align: center;
	background-color: white;
	border: 2px solid #ccc;
	border-radius: 5px;
	position: absolute;
	top: 20px;
	left: 100px;
	color: black;
	outline: none;
	-webkit-transition: color 0.3s ease-in;
	-moz-transition: color 0.3s ease-in;
	-o-transition: color 0.3s ease-in;
	transition: color 0.3s ease-in;
}

.top-mg {
	top: 40px;
}

.reded {
	color: red;
}

.win-in-an {
	color: green;
}

.input-ex {
	text-align: center;
	width: 55px;
	background-color: white;
	border: none;
	font-size: 50px;
	border-radius: 10px;
	-webkit-transition: background-color 0.3s ease-in;
	-moz-transition: background 0.3s ease-in;
	-o-transition: background 0.3s ease-in;
	transition: background 0.3s ease-in;
	-webkit-transition: color 0.3s ease-in;
	-moz-transition: 0.3s ease-in;
	-o-transition: 0.3s ease-in;
	transition: 0.3s ease-in;
}

.arrow {
	display: block;
	width: 15px;
	height: 15px;
	background: url(static/arrow.png) no-repeat;
	background-size: cover;
	position: absolute;
	transform: rotate(220deg);
	top: 107px;
}

.hidden {
	display: none;
}

.left-mg {
	margin-left: -10px;
}

.border-off {
	border: 0px;
}

.border-on {
	border: 2px solid #CCC;
}

.error-pr {
	background-color: #e5e5e5;
}