labeltxt.css

#lt-box {
	position: relative;
	width: 100%;
	overflow: hidden;
}

.lt-wrap {
	box-sizing: border-box;
	float: left;
	width: 100%;
	padding-right: 220px;
}

.lt-content {
	border: 1px solid #ccc;
	border-radius: 5px;
	background-color: #fff;
}

#lt-tools {
	display: flex;
	height: 50px;
	border-bottom: 1px solid #ccc;
}

#lt-text {
    height: 407px;
	padding: 20px;
	overflow: auto;
}

#lt-labels {
	box-sizing: border-box;
	float: right;
    width: 200px;
    height: 500px;
    margin-left: -200px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fff;
    overflow: auto;
}

.lt-tool {
	flex: 1;
	height: 50px;
	text-align: center;
	line-height: 50px;
	cursor: pointer;
}

.item-colors {
	display: none;
	margin: 0;
	padding: 0;
	list-style: none;	
}

.lt-tool-colors:hover .item-colors {
	display: flex;
}

.item-color {
	flex: 1;
	height: 50px;
}


#lt-mask {
	display: none;
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(0,0,0,.5);
}
.lt-mask-content {
	width: 200px;
	padding: 20px;
	margin: 150px auto 0;
	background-color: #fff;
}