.change-class-box{
	/*display: none;*/
}
.modify-box{
	display: none;
}
.add-box{
	display: none;
}
.add-ul{
	padding-left: 0px;
	border-top: 1px solid #999;
	margin-top: 5px;
	padding-top: 5px;
	padding-bottom: 10px;
}
.add-ul li{
	list-style: none;
	float: left;
	margin-right: 18px;
}
.add-height{
	height: 320px;
	overflow: auto;
}
.left{
  float: left;
}
select,option,input[type='checkbox']{
	cursor: pointer;
}

.system-top input[type='checkbox']{
	margin: 0px;
}

li label{
 cursor: pointer;
}