body {
  display: flex;
  flex-wrap: wrap;
}

.half {
  width: 100%;
  flex-basis: 57.1428571429vh;
  flex-grow: 1;
}

html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  color: #FFF;
}

.half {
  position: relative;
  font: 600 28px Lato, sans-serif;
  background: #1e7dd8;
  background: url("fundar_santiago.jpg") center center no-repeat;
  background-size: cover;
    
}
.half + .half {
  background: #2e5256;
  background: url("fundar_araucania.jpg") center center no-repeat;
  background-size: cover;
}

p {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72%;
  margin: 0;
  text-align: center;
}

.social {
  display: block;
  max-height: 0;
  opacity: 100;
}
.datos {
font: 300 15px Lato, sans-serif;
}
.fono {
font: 600 15px Lato, sans-serif;
}

a {
  color: #FFF;
}

@-webkit-keyframes appear {
  50% {
    max-height: 2em;
    opacity: 0;
  }
  100% {
    max-height: 2em;
    opacity: 1;
  }
}

@keyframes appear {
  50% {
    max-height: 2em;
    opacity: 0;
  }
  100% {
    max-height: 2em;
    opacity: 1;
  }
}