.alert {
    padding: 20px;
      background-color: #000000;
      color: rgb(9, 255, 0);
      margin-bottom: 15px;
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      font-size: 18px;
      border: #1eff00;
      border-style: solid;
  }
  
  /* The close button */
  .closebtn {
    margin-left: 15px;
    color: rgb(0, 255, 21);
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
  }
  
  /* When moving the mouse over the close button */
  .closebtn:hover {
    color: rgb(255, 255, 255);
  }