blockquote {
	overflow: hidden;
	font-size: 0.8em;
	padding: 5px 20px;
	background-color: #f7f7f7;
	margin-bottom: 10px;
	border: solid 1px #ddd;
	font-style: italic;
}

.spoiler {
	display: none;
	padding: 10px;
	font-size: 0.9em;
	line-height: 1.3em;
	border: solid 1px #ddd;
}

iframe {
	display: block;
	margin: 0 auto;
}