.replacementbutton {
    background-color: blue;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    font-family: arial;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px;
  }
  .selectedbutton {
    background-color: red;
  }