.code {
	padding: 6px;
	border: #000 1px solid;
	background: #505050;
	color:#fff;
	width:430px;
}

.waku {
	border: #0cf 1px solid;
	width: 400px;
}

.waku_top,
.waku_side {
	border-top: #0cf 1px solid;
	border-left: #0cf 1px solid;
	border-right: #0cf 1px solid;
	border-bottom: #0cf 1px dashed;
	width: 400px;
}

.waku_bottom {
	border-top: #0cf 1px dashed;
	border-left: #0cf 1px solid;
	border-right: #0cf 1px solid;
	border-bottom: #0cf 1px solid;
	width: 400px;
}