.controller {
  display: flex;
  .bg {
    text-align: left;
    box-shadow: 1px 1px 3px 1px #ddd;
    background-color: #fff;
    height: 40vh;
    padding: 10px;
    margin: 5px;
  }
  .list-item {
    width: 95%;
    margin: 10px auto;
    height: 50px;
    padding: 10px;
    font-size: 20px;
    border: 1px solid #ddd;
  }
  .data {
    flex: 25%;
    padding: 10px;
  }
  .index-x {
    flex: 40%;
  }
  .index-y {
    flex: 40%;
  }
}

.center-edit {
  display: flex;
}
.canvas {
  width: 800px;
  height: 400px;
  background-color: pink;
}