* {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}
.container {
  position: relative;
  height: 100vh;
  width: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),url("pexels-photo-247431.jpeg");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.container .pagination {
  position: relative;
  height: 60px;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 5px 5px 30px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
  border-radius: 2px;
  z-index: 9;
}
.container .pagination li {
  list-style-type: none;
  display: inline-block;
}
.container .pagination li a {
  position: relative;
  padding: 21px 15px;
  text-decoration: none;
  color: #fff;
  font-weight: 500;
  transition: .3s;
}
.container .pagination li a:hover,
.container .pagination li.active a {
  background: rgba(255, 255, 255, 0.2);
}
/**/
.context {
  width: 100%;
  position: absolute;
  top:10vh;
  z-index: 9;
}
.context h1{
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 50px;
  backdrop-filter: blur(50px);
}
.circles{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}
.circles li{
  position: absolute;
  display: block;
  list-style: none;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 80px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  animation: animate 25s linear infinite;
  bottom: -150px;
}
.circles li:nth-child(1){
  left: 25%;
  width: 80px;
  height: 80px;
  animation-delay: 0s;
}
.circles li:nth-child(2){
  left: 10%;
  width: 20px;
  height: 20px;
  animation-delay: 2s;
  animation-duration: 12s;
}
.circles li:nth-child(3){
  left: 70%;
  width: 20px;
  height: 20px;
  animation-delay: 4s;
}
.circles li:nth-child(4){
  left: 40%;
  width: 60px;
  height: 60px;
  animation-delay: 0s;
  animation-duration: 18s;
}
.circles li:nth-child(5){
  left: 65%;
  width: 20px;
  height: 20px;
  animation-delay: 0s;
}
.circles li:nth-child(6){
  left: 75%;
  width: 110px;
  height: 110px;
  animation-delay: 3s;
}
.circles li:nth-child(7){
  left: 35%;
  width: 150px;
  height: 150px;
  animation-delay: 7s;
}
.circles li:nth-child(8){
  left: 50%;
  width: 25px;
  height: 25px;
  animation-delay: 15s;
  animation-duration: 45s;
}
.circles li:nth-child(9){
  left: 20%;
  width: 15px;
  height: 15px;
  animation-delay: 2s;
  animation-duration: 35s;
}
.circles li:nth-child(10){
  left: 85%;
  width: 150px;
  height: 150px;
  animation-delay: 0s;
  animation-duration: 11s;
}
@keyframes animate {

  0%{
      transform: translateY(0) rotate(0deg);
      opacity: 1;
      border-radius: 0;
  }
  100%{
      transform: translateY(-1000px) rotate(720deg);
      opacity: 0;
      border-radius: 50%;
  }
}