#snackbar_error {
    visibility: hidden; /* Hidden by default. Visible on click */
    min-width: 250px; /* Set a default minimum width */
    margin-left: -125px; /* Divide value of min-width by 2 */
    background-color: #9e3d08; /* Black background color */
    color: #fff; /* White text color */
    text-align: center; /* Centered text */
    border-radius: 2px; /* Rounded borders */
    padding: 16px; /* Padding */
    position: fixed; /* Sit on top of the screen */
    z-index: 100000; /* Add a z-index if needed */
    
    left: 50%; /* Center the snackbar_error */
    bottom: 30px; /* 30px from the bottom */
  }
  
  /* Show the snackbar_error when clicking on a button (class added with JavaScript) */
  #snackbar_error.show {
    visibility: visible; /* Show the snackbar_error */
    /* Add animation: Take 0.5 seconds to fade in and out the snackbar_error.
    However, delay the fade out process for 2.5 seconds */
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
  }
  
  /* Animations to fade the snackbar_error in and out */
  @-webkit-keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
  }
  
  @keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
  }
  
  @-webkit-keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
  }
  
  @keyframes fadeout {
    from {bottom: 30px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
  }