html,
body {
  position: relative;
  height: 100%;
}

body {
  color: #ffffff;
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
}

.swiper-container {
  width: 100%;
  height: 100%;
  margin-left: auto;
  margin-right: auto;
}

.swiper-container .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #4d4d4d;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}