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;
}

.door {
  background: #fff;
  border: solid 5px #00a9ff;
  width: 300px;
  text-decoration: none;
  padding: 130px 0;
  border-radius: 50%;
  text-align: center;
  font-size: 34px;
  color: #00a9ff;
  font-weight: 700;
  /*font-family: monospace;*/
  /*margin: 20px 0 0 0;*/
}

.door:active {
  background: #00a9ff;
  color: #fff;
}

.login {
  text-align: center;
  width: 300px;
  margin: 100px auto;
}

.login input {
  display: block;
  width: 100%;
  height: 50px;
  font-size: 16px;
  border: none;
  margin: 10px 0;
  padding: 0 10px;
}

.login a {
  margin: 20px auto;
  display: block;
  background: #fff;
  border: solid 3px #00a9ff;
  width: 100px;
  height: 20px;
  text-decoration: none;
  padding: 40px 0;
  border-radius: 50%;
  text-align: center;
  font-size: 18px;
  color: #00a9ff;
  font-weight: 700;
  /*font-family: monospace;*/
  /*margin: 20px 0 0 0;*/
}

.login a:active {
  background: #00a9ff;
  color: #fff;
}

.swiper-slide.hidden {
  display: none;
}