.g-wrapper{
	width: 990px;
	margin: 0 auto;
}
.g-border{
	border: 1px solid #ccc;
	box-sizing:border-box;
}
.g-header{
	height: 150px;
}
.g-menus{
	background-color: #3a3a3a;
	height: 40px;
}
.g-left{
	width: 160px;
	overflow: hidden;
	float: left;
	ul ,li{
		margin: 0;
		padding: 0;
	}
	li{
		margin-bottom: 5px;
	}
}
.g-content{
	margin-left: 160px;
	width: 830px;
	.g-slide{
		width: 100%;
		height: 400px;
	}
}