html, body {
  height: 100%;
  position: relative;
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: #000;
  color: #fffefc;
}
.header {
  text-align: center;
  line-height: 50px;
  font-size: 10px;
  color: #a3a3a1;
}

.container{
  position: absolute;
  top: 50px;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

@keyframes slideUp {
  0% {
    opacity: 0;
    transform: translate3d(0, 10%, 0);
    -webkit-transform: translate3d(0, 10%, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
  }
}
@-webkit-keyframes slideUp {
  0% {
    opacity: 0;
    transform: translate3d(0, 10%, 0);
    -webkit-transform: translate3d(0, 10%, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
  }
}

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

@-webkit-keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.content-box {
  height: 50%;
  text-align: center;
  position: relative;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  border-style: inset;
  display: block;
  color: #fff;
  border-style: solid;
  border-color: #000;
  border-top-width: 15px;
  border-bottom-width: 15px;
  border-left-width: 10px;
  border-right-width: 10px;
  opacity: 0;
  transform: translate3d(0, 10%, 0);
  -webkit-transform: translate3d(0, 10%, 0);
  animation: slideUp forwards 400ms ease-out;
  -webkit-animation: slideUp forwards 400ms ease-out;
}

.content-box > .titles{
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  transform: translate3d(-50%, -50%, 0);
  -webkit-transform: translate3d(-50%, -50%, 0);
  opacity: 0;
  animation: fadeIn 300ms ease-out 700ms forwards;
  -webkit-animation: fadeIn 300ms ease-out 700ms forwards;
}
.title-box > .title{
  font-size: 28px;
  margin-bottom: 0;
}

.title-box > .anchor{
  text-decoration: underline;
}

.universe {
  background-image: url(./images/bg_universe.png);
  animation-delay: 200ms;
  -webkit-animation-delay: 200ms;
}

@media (min-width: 720px) {
  .universe {
    background-image: url(./images/bg_universe_l.jpg);
  }
}

.butterfly {
  background-image: url(./images/bg_butterfly.png);
  animation-delay: 300ms;
  -webkit-animation-delay: 300ms;
}

@media (min-width: 720px) {
  .butterfly {
    background-image: url(./images/bg_butterfly_l.jpg);
  }
}