cropper.css

.Cropper {
  position: relative;
  display: inline-block;
  max-width:100%;
  max-height:100%;
}

.box {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}

.Cropper-box {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  cursor: move;
  border: #fff solid 1px;
}

.Cropper-canvas {
  visibility: hidden;
  position: absolute;
}

.Cropper-image {
  vertical-align: middle;
  max-width: 100%;
  position: relative;
  transform: translate(-50%, -50%);
  left: 50%;
}

.resize-handle {
  position: absolute;
  background-color: #ECEEEF;
  border: #8295AB solid 1px;
  width: 13px;
  height: 13px;
  z-index: 1;
}

.resize-handle-se {
  bottom: 0;
  right: 0;
  cursor: nwse-resize;
  transform: translate(50%, 50%);
}
.resize-handle-ne {
  right: 0;
  top: 0;
  cursor: nesw-resize;
  transform: translate(50%, -50%);
}
.resize-handle-sw {
  bottom: 0;
  left: 0;
  cursor: nesw-resize;
  transform: translate(-50%, 50%);
}
.resize-handle-nw {
  top: 0;
  bottom: 0;
  cursor: nwse-resize;
  transform: translate(-50%, -50%);
}

.DraggableResizable {
  position: relative;
  width: 100%;
  height: 100%;
}

.DraggableResizable-controls {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

.DraggableResizable-top,
.DraggableResizable-left,
.DraggableResizable-bottom,
.DraggableResizable-right {
  position: absolute;
  background-color: rgba(0,0,0,.7);
}

.DraggableResizable-top {
  top: 0;
  left: 0;
  right: 0;
}
.DraggableResizable-bottom {
  bottom: 0;
  left: 0;
  right: 0;
}
.DraggableResizable-left {
  left: 0;
}
.DraggableResizable-right {
  right: 0;
}