body {
      margin: 0;
      font-family: Arial, sans-serif;
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      color: white;
      text-align: center;
      flex-direction: column;
    }

    .blur-background {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      filter: blur(21px);
      z-index: -1;
    }

    .content {
      z-index: 1;
      background-color: rgba(0, 0, 0, 0.5);
      padding: 20px;
      border-radius: 10px;
      font-size: xx-large;
    }

    #hitokoto {
      text-align: center;
      background: rgba(0, 0, 0, 0.5);
      padding: 21px;
      border-radius: 8px;
      position: fixed;
      bottom: 0px;
      width: 60%;
      margin: 0;
    }

    #sentence {
      margin-bottom: 20px;
      font-size: xx-large;
    }

    .author {
      font-size: 1em;
      font-style: italic;
      text-align: end;
      font-size: large;
    }