html,body {
  padding: 0;
  margin: 0;
}
.head{
	width: 800px;
	height: 800px;
	margin: 20px;
	position: relative;
	overflow: hidden;
	background: aquamarine;
	float: left;
}

#backgroundImg{
	width: 100%;
	display: none;
}
.pieceImgModel{
	position: absolute;
	width: 800px;
	height: 800px;
	top: 0;
	left: 0;
	overflow: hidden;
}
.pieceImgBox1,.pieceImgBox2,.pieceImgBox3{
	position: absolute;
	top: 10px;
	left: 10px;
	width: 200px;
	height: 600px;
	background: #FFFFFF;
	cursor: move;
}
.pieceImgBox2{
	left: 220px;
}
.pieceImgBox3{
	left: 430px;
}

.ne{
	cursor: ne-resize;
	position: absolute;
	z-index: 379;
	opacity: 0.5;
	margin-right: -4px;
	margin-top: -4px;
	right: 0;
	top: 0;
	background-color: #333;
	border: 1px #EEE solid;
	font-size: 1px;
	height: 7px;
	width: 7px;
	display: none;
}
.se{
	cursor: se-resize;
	position: absolute;
	z-index: 379;
	opacity: 0.5;
	margin-right: -4px;
	margin-bottom: -4px;
	right: 0;
	bottom: 0;
	background-color: #333;
	border: 1px #EEE solid;
	font-size: 1px;
	height: 7px;
	width: 7px;
	display: none;
}
.upImg1,.upImg2,.upImg3,.upImg{
	position: absolute;
	cursor: pointer;
	display: inline-block;
	width: 70px;
	height: 20px;
	line-height: 20px;
	text-align: center;
	font-size: 12px;
	left: 0;
	bottom: 0;
	border-radius: 4px;
	background: rgba(0,0,0,0.5);
	color: white;
}
.upImg{
	position: absolute;
	left: 10px;
	bottom: 10px;
	z-index: 9;
}
.imgBtn{
	width: 80px;
	height: 30px;
	color: #fff;
	background-color: #2d8cf0;
	border-color: #2d8cf0;
	border-radius: 4px;
	font-weight: 400;
	text-align: center;
	vertical-align: middle;
	-ms-touch-action: manipulation;
	touch-action: manipulation;
	cursor: pointer;
	background-image: none;
	border: 1px solid transparent;
	white-space: nowrap;
	line-height: 1.5;
	margin-top: 20px;
	float: left;
}