canvas.css

  #canvas-wraper{
    margin:0 auto
  }

  #canvas {
    border: 2px solid #000000;
    cursor: crosshair;
  }

  .cleanBtn {
    width: 60px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid #000;
    outline: none;
  }

  .sendBtn {
    width: 60px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid #000;
    outline: none;
  }

  .btn {
    margin-top: 10px;
    margin-bottom: 10px;
  }

  #img {
    width: 150px;
    height: 150px;
    display: block;
    margin: 30px left;
  }