body {
    margin: 0;
    height: 100%;
    background-color: #5fad5b;
    background-image: linear-gradient(45deg, #53984e 25%, transparent 25%, transparent 75%, #53984e 75%, #53984e),
                      linear-gradient(-45deg, #488644 25%, transparent 25%, transparent 75%, #488644 75%, #488644);
    background-size: 60px 60px;
    background-repeat: repeat;
  }