body {
  background: #eceff1;
  font-size: 14px;
  line-height: 25px;
}

.crop {
  background: rgba(0, 0, 0, 0.5);
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 99;
}

canvas {
  display: block;
  position: absolute;
  width: 150px;
  height: 150px;
  background: transparent;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  border:2px dashed white;
}

.canvas {
  margin: 25px auto;
  height: 450px;
  background: #fff;
  display: block;
  position: relative;
  overflow: hidden;
}

.canvas img {
  position: absolute;
  display: block;
}

h1 {
  text-align: center;
  font-size: 20px;
  padding: 0;
  margin: 25px 0;
}