/* main */
#html5chat-iframe{ 
	width: 100%; 
	height: 657px; 
	display: block; 
}

/* help */
#html5chat-help { 
	width: 100%; 
	height: 657px; 
	display: block; 
	background: #fff;
	padding: 10px 20px; 
	box-sizing: border-box; 
	font-size: 18px;
}

	#html5chat-help code {
		display: block;
		background-color: #F3F5F6; 
		color: #39464E; 
		padding: 8px 12px; 
		border-left: 4px solid #4CAF50; 
		word-wrap: break-word;
	}