body {
    background-size: 100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 0;
    margin: 0;
  }
  .container {
    background-size: auto 100%;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    text-align: center;
    align-items: center;
    display: flex;
    height: 100%;
    justify-content: center;
    width: 100%;
    backdrop-filter: blur(15px);
  }
  @media only screen and (max-width: 400px) {
    .container {
      background-size: auto;
    }
  }
  /* hide mouse */
  body:hover {
    animation: hideMouse 5s;
  }
  @keyframes hideMouse {
    100% {
      cursor: none;
    }
  }