.alert-danger {
    padding: 20px;
    background-color: #f44336;
    opacity: 0.83;
    color: white;
    margin-bottom: 15px;
    transition: opacity 0.6s;
  }

.alert-success {
    padding: 20px;
    background-color: #0af13c;
    opacity: 0.83;
    color: white;
    margin-bottom: 15px;
    transition: opacity 0.6s;
  }
  
  .closebtn {
    margin-left: 15px;
    color: white;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
  }
  
  .closebtn:hover {
    color: black;
  }