.swiper-container {
      background: url(/images/how2kill/15.png);
      width: 505px;
      height: 270px;
      border-radius:5px;
    }
    .swiper-slide {
      width: 505px;
      text-align: center;
      font-size: 18px;
      background: transparent;
      /* 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-pagination-bullet-active {
    opacity: 1;
    background: rgb(217,45,58) !important;
}