main{
	padding-top: 40px;
}
.list-group{
	width: 240px;
	padding-right: 40px;
	float: left;
	display: inline-block;
}
.list-group .list-group-item{
	height: 60px;
	line-height: 38px;
	color: #fff;
	background-color: #474747;
	border: 0;
	border-radius: 0;
}
.list-group .list-group-item.active,
.list-group .list-group-item:hover,
.list-group .list-group-item:focus{
	background-color: #1e1e1e;
	color: #fff;
}
.list-group .list-group-item img{
	margin-right: 20px;
}
main .content{
	display: inline-block;
	padding-left: 50px;
	border-left: 1px solid #c6c6c6; 
	width: 78%;
	height: 100%;
	margin-bottom: 20px;
}
main .search{
	width: 510px;
	height: 40px;
	border: 0;
	background-color: #f0f0f0;
	font-size: 14px;
	color: #c6c6c6;
	padding-left: 15px;
}
main .search::-webkit-input-placeholder {
	color: #c6c6c6;    
}
main .search:-moz-placeholder {/* Firefox 18- */
	color: #c6c6c6;    
}
main .search::-moz-placeholder{/* Firefox 19+ */
	color: #c6c6c6;    
}
main .search:-ms-input-placeholder {
	color: #c6c6c6;    
}
.btn-search{
	width: 80px;
	height: 40px;
	color: #fff;
	background-color: #1e1e1e;
	border: 0;
	margin-left: 10px;
	font-size: 16px;
}
.main-content{
	margin-top: 40px;
}
.main-content .title,
.content .question{
	font-size: 20px;
	color: #303030;
	margin-bottom: 20px;
}
.content .answer{
	font-size: 14px;
	color: #5e5e5e;
}
.main-content p{
	margin-bottom: 20px;
	color: #5e5e5e;
	cursor: pointer;
}
.answer{
	font-size: 14px;
	color: #5e5e5e;
	line-height: 2em;
}
#detail img{
	width: 100%;
}
iframe{
	width: 640px;
	height: 498px;
}
@media (max-width: 768px){
	iframe{
		width: 100%;
		height: auto;
	}
	main .content{
		border-left: 0;
	    width: 100%;
	    padding-left: 0;
	}
}