#demo_box{
	vertical-align:middle;
}
#col_show{
	border:1px solid;
	width:240px;
	height:15px;
	margin-top:2px;
}
#col_show{
	float:left;
	padding:3px;
}

#remove_btn{
	/*float:left;*/
	magin-left:5px;
}
.btn_remove{
	padding-left:5px;
	padding-top:0px !important;
	width:100px;
	float:left;
	height:15px;
}
.btn_add{
	clear: both;
}
input[disabled] {
	border: 1px solid #999;
	background-color: #ddd !important;
}