html,
  body {
    position: relative;
    height: 100%;    
  }
* {
  padding: 0;
  margin: 0;
}
  body {
    background: #eee;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
  }
  .nav {
    width: 100%;
    text-align: center;
}
.nav ul li {
  width: 100%;
  float: left;
  
}
.nav ul li a {
  text-decoration: none;
  color: #fff;
}
  .swiper {
    width: 100%;
    height: 100%;
  }

  .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
  }

  .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  body {
    background: #000;
    color: #000;
  }

  .swiper {
    width: 100%;
    height: 300px;
    margin-left: auto;
    margin-right: auto;
  }

  .swiper-slide {
    background-size: cover;
    background-position: center;
  }

  .mySwiper2 {
    height: 80%;
    width: 100%;
  }

  .mySwiper {
    height: 20%;
    box-sizing: border-box;
    padding: 10px 0;
  }

  .mySwiper .swiper-slide {
    width: 25%;
    height: 100%;
    opacity: 0.4;
  }

  .mySwiper .swiper-slide-thumb-active {
    opacity: 1;
  }

  .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }