html, body
{
    background-color: #020b08;
    height: 100%;
    margin:0;
    padding:0;
}

.center {
    position:relative;
    height: 80%;
    width:100%;
}

div img {
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    margin:auto;
}

.footer {
  position: fixed;
  height: 50px;
  left: 0;
  bottom: 0;
  width: 100%;
  color: white;
  text-align: center;
}

.fade-in {
    -webkit-animation: fadein 2s; /* Safari, Chrome and Opera > 12.1 */
       -moz-animation: fadein 2s; /* Firefox < 16 */
        -ms-animation: fadein 2s; /* Internet Explorer */
         -o-animation: fadein 2s; /* Opera < 12.1 */
            animation: fadein 2s;
}

@keyframes fadein {
    0% { opacity: 0; }
    100%   { opacity: 1; }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Internet Explorer */
@-ms-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Opera < 12.1 */
@-o-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}