html,
      body {
        height: 100%;
        min-height: 100%;
        margin: 0;
        padding: 0;
      }
      canvas {
        display: block;
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 0;
        margin: auto;
      }
      .loadingClass {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        width: 100vw;
        font-size: calc(100vw / 24);
      }