@keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  color: #96403B;
  font-family: Helvetica Neue,Helvetica,Arial,sans-serif;
  letter-spacing: 0.5em;
  text-align: center;
  font-size: 0.9em;
  border: 0.5em solid white;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.container {
  display: block;
  position: relative;
  height: 100%;
  background: #F1BC1A
}
.container .center-block {
  width: 90%;
  max-width: 400px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #F1BC1A;
}
.container .center-block img {
  width: 100%;
  display: block;
}
.container .center-block a {
  display: block;
  cursor: pointer;
  margin: 90px 0 0;
}
.button-link{
  background: #96403B;
  color: #F1BC1A;
  padding: 10px;
  border-radius: 3px;
  font-weight: bold;
  -webkit-animation: fadein 4s; /* Safari, Chrome and Opera > 12.1 */
  -moz-animation: fadein 4s; /* Firefox < 16 */
  -ms-animation: fadein 4s; /* Internet Explorer */
  -o-animation: fadein 4s; /* Opera < 12.1 */
  animation: fadein 4s;
}
.button-link:hover{
  background: #96403bd6;
}
.container .center-block a,
.container .center-block a:link,
.container .center-block a:active,
.container .center-block a:hover,
.container .center-block a:focus,
.container .center-block a:visited,
.container .center-block a:focus-within {
  text-decoration: none !important;
  color: #96403B !important;
}