body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }

  #barraaceptacion {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #333;
    color: #fff;
    padding: 15px;
    text-align: center;
    z-index: 9999;
  }

  #barraaceptacion button {
    margin-left: 15px;
    padding: 10px 20px;
    background: #4caf50;
    color: #fff;
    border: none;
    cursor: pointer;
  }

  #overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
  }