body {
    margin: 0;
    height: 100%;
    background-color: #5a1d85;
    background-image: linear-gradient(45deg, #48186a 25%, transparent 25%, transparent 75%, #48186a 75%, #48186a),
                      linear-gradient(-45deg, #3c1459 25%, transparent 25%, transparent 75%, #3c1459 75%, #3c1459);
    background-size: 60px 60px;
    background-repeat: repeat;
  }