*,
*:before,
*:after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-size: 10vw;
  text-align: center;
  color: #fff;
  transition: 0.5s all;
}
.swiper-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
}
/* button style */
.swiper-pagination-bullet {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  width: auto;
  height: auto;
  margin: 0 10px;
  background-color: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: 0.3s;
}
.swiper-pagination-bullet span {
  color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
/* button circle */
.progress {
  transform: rotate(-90deg);
}
.circle-origin {
  fill: transparent;
  stroke: rgb(255, 255, 255);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-dasharray: 125.664px;
  stroke-dashoffset: 125.664px;
}

.swiper-pagination-bullet-active .circle-origin {
  animation: progress 5s;
}

@keyframes progress {
  0% {
    stroke-dashoffset: 125.664px;
  }

  90% {
    stroke-dashoffset: 0;
  }

  100% {
    stroke-dashoffset: -125.664px;
  }
}