.announce {
    position: fixed;
    z-index: 9999;
    top: 0;
    width: 500px;
    left: calc(50% - 250px);
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    text-align: center;
    padding: 20px;
    margin: 0;
    user-select: none;
  }
  
  .announce-danger {
    color: white;
    background-color: #d9534f;
  }
  
  .announce-info {
    color: white;
    background-color: #5bc0de;
  }
  
  .announce-success {
    color: white;
    background-color: #5cb85c;
  }
  
  .announce-warning {
    color: white;
    background-color: #f0ad4e;
  }
  
  @media screen and(max-width: 500px) {
    .announce {
      width: 100%;
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
      left: 0;
    }
  }