body {
    margin: 0;
    font-family: Arial;
    font-size: 13px;
  }

  .topnav {
    overflow: hidden;
    background-color: lightgoldenrodyellow;
    text-align: center;
  }

  .topnav a {
    float: left;
    color: #800020;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }

  .footer {
    overflow: hidden;
    background-color: #800020;
    text-align: center;
    width: 100%;
    bottom: 0px;
    position: fixed;
    padding: 10px;
    color: #fff;
  }

  .topnav ul {
    height: 100%;
    margin: auto;
    margin-left:-35px;
    width: 100%;
    text-align: center;
    list-style: none;
  }

  .topnav li a:hover {
    background-color: #ddd;
    color: #800020;
  }

  .topnav li a.active {
    background-color: #800020;
    color: white;
  }

  .form_label {
      display: block;
      margin: 10px 0px 4px 0px;
      color: #777;
  }

  .form_input {
      width: 90%;
      border-radius: 5px;
      padding: 8px;
      display: block;
      border: 1px solid #ddd;
      color: #000;
  }

  
  .input_div > select {
    width: 91%;
    border-radius: 5px;
    padding: 8px;
    display: block;
    border: 1px solid #ddd;
    color: #000;
}

  .input_div {
    margin-bottom: 5px;
  }

  .submit {
      width: auto;
      border-radius: 5px;
      padding: 8px;
      background-color: #800020;
      border: 1px solid #ddd;
      color: #fff;
      font-size: 16px;
      margin-top: 10px;
  }

  .top_div {
    padding: 25px 0px 25px 10px; 
    background-color: #800020;
    color: #FFF;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
  }

  .error_message {
    padding: 10px 0px;
    color: red;
    width: 100%;
    border-radius: 5px;
  }

  .success_message {
    padding: 10px 0px;
    color: green;
    width: 50%;
    border-radius: 5px;
  }

  .warning_message {
    padding: 10px 0px;
    color: goldenrod !important;
    width: 50%;
    border-radius: 5px;
  }

  .table_head {
      background-color: #333;
      padding: 8px;
      color: #fff;
  }

  .table_data {
    background-color: #fff;
    padding: 8px;
    color: #000;
}

.center {
  text-align: center !important;
}