body {
	font-family:Arial; 
  }
  
  div {
	font-family:arial  ;
  }
  .center {
	margin: auto;
	width: 90%;
	padding: 10px;
  }
 @-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;}
 }
 #snackbar {
    visibility: hidden;
    min-width: 250px;
    margin-left: -125px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 1;
    left: 50%;
    bottom: 30px;
    font-size: 17px;
  }
  
  #snackbar.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
  }