* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    background-color: #000;
    overflow: hidden;
  }
  canvas {
        width: 100%;
        height: auto;
        max-height: 100vh;
        max-height: -webkit-fill-available;
        max-width: 750px;
        z-index: 10000;
        margin: 0 auto;
        padding: 0;
        border: none;
        display: block;
    }