html, body {
  margin: 0;
  font-size: 16px;
  line-height: 1;
  color: #fff;
  font-weight: 300;
  background: #37517c;
  font-family: sans-serif;
}

.viewport {
  width: 100vw;
  height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}


.content {
  width: 100%;
  height: 90%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
    -ms-flex-direction: column;
      flex-direction: column;
  -webkit-box-pack: center;
    -ms-flex-pack: center;
      justify-content: center;
  -webkit-box-align: center;
    -ms-flex-align: center;
      align-items: center;
  border-top: 3px solid #00a9ff;
}

span {
  font-size: 22px;
  color: #33baff;
}