body {
	font-size: 18px;
	font-family: 微软雅黑, Microsoft YaHei, tahoma, Srial, helvetica, sans-serif;
	background-color: #f4f6f9;
}

h1 {
	font-size: 1.5em;
}

h2 {
	font-size: 1.2em;
}

hr {
 margin:30px auto;
 border: 0;
 height: 2px;
 background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0));
}

#main {
	width: 780px;
	padding: 0 10px;
	margin: 0 auto;
	background-color: #fff;
}

#title {
	border-bottom: 2px solid #ddd;
}

#title img {
	width: 100%
}

#content .editable {
	width: 600px;
	padding: 10px;
	resize: vertical;
	margin-left: 100px;
	background-color: #555;
	color: #fff;
}

#content .editable:hover {
	background-color: #444;
}

#content .editable em {
	color: #aaf;
}

#content img {
	margin: 0 auto;
	display: block;
	max-width: 770px;
	border: 1px solid #ddd;
}

#content .end {
	padding: 50px 0;
	text-align: center;
	font-size: 16px;
	color: #aaa;
}

.wrongSample {
	background-color: #fcc;
	padding: 20px;
	margin: -5px 0;
	border-radius: 10px;
}

.rightSample {
	background-color: #cfc;
	padding: 20px;
	margin: -5px 0;
	border-radius: 10px;
}

@media (max-width: 1000px) {
	body {
		font-size: 36px;
	}
	#main {
		width: 100%;
	}
	#content .editable {
		width: 90%;
		margin-left: 2.5%;
	}
}