body {
    background-color: black;
  }
  html {
     font-family: monospace;
     color: white;
     text-align: center;
  }
  a {
     color: white;
     font-size: 19pt;
     text-decoration: none;
  }
  button {
     font-family: monospace;
     background-color: black;
     color: white;
     border: 2px black;
     font-size: 19pt;
  }
  .mybutton{
}
  </style>