.swiper-container {
  width: 100%;
}

.swiper-slide {
  width: 100%;
  height: 100%;
  position:relative;
}

.swiper-slide > p {
  display:inline-block;
  text-align:center;
  line-height:1.5;
  position:absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%,-50%);
  -moz-transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
  -o-transform: translate(-50%,-50%);
  transform: translate(-50%,-50%);
}

.swiper-slide > p > span {
  white-space:nowrap;
}