html,
body {
  position: relative;
  height: 100%;
}
body {
  margin: 0;
  padding: 0;
  -webkit-user-select: none;
  /* Chrome/Safari/Opera */
  -moz-user-select: none;
  /* Firefox */
  -ms-user-select: none;
  /* Internet Explorer/Edge */
  user-select: none;
  /* Non-prefixed version, currently not supported by any browser */
}
.swiper .swiper-slide {
  background-position: center;
  background-size: cover;
  width: 520px;
  height: 310px;
}
.swiper .swiper-slide img {
  display: block;
  width: 100%;
  border-radius: 10px;
}