n:focus {
        outline: 0;
      }

      button:hover {
        background-color: rgba(40, 40, 40);
        border: 1px solid rgba(100, 100, 120);
      }

      button:active {
        transform: scale(0.98);
      }
      .source {
        color: black;
        font-family: system, -apple-system, "BlinkMacSystemFont",
          ".SFNSText-Regular", "San Francisco", "Roboto", "Segoe UI",
          "Helvetica Neue", "Lucida Grande", "Ubuntu", "arial", sans-serif;
        margin-top: 10px;
        font-s