* {
  margin: 0px;
  padding: 0px;
}

.container {
  /*  background-image: url(../img/bg.jpg); */
  background-image: radial-gradient(#00fde82f, #ffffff52),
    url(../img/bg.jpg);
  background-position: center;
  background-size: cover;
  height: 100vh;
  overflow: hidden;
  font-family: sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

h1 {
  /* color: #fff; */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 70px;
  z-index: 1;
}

ul li {
  position: absolute;
  border: 1px solid #fff;
  width: 30px;
  height: 30px;
  list-style: none;
  opacity: 0;
  background: #fff;
}

.square li {
  top: 50vh;
  left: 45vw;
  animation: square 10s linear infinite;
}

.square li:nth-child(2) {
  top: 80vh;
  left: 10vw;
  animation-delay: 2s;
}

.square li:nth-child(3) {
  top: 80vh;
  left: 85vw;
  animation-delay: 4s;
}

.square li:nth-child(4) {
  top: 10vh;
  left: 75vw;
  animation-delay: 6s;
}

.square li:nth-child(5) {
  top: 10vh;
  left: 10vw;
  animation-delay: 8s;
}

@keyframes square {
  0% {
    transform: scale(0) rotateY(0deg);
    opacity: 1;
  }
  100% {
    transform: scale(5) rotateY(1000deg);
    opacity: 0;
  }
}

.circle li {
  bottom: 0;
  left: 15vw;
  animation: circle 10s linear infinite;
}

.circle li:nth-child(2) {
  left: 35vw;
  animation-delay: 2s;
}

.circle li:nth-child(3) {
  left: 55vw;
  animation-delay: 4s;
}

.circle li:nth-child(4) {
  left: 75vw;
  animation-delay: 6s;
}

.circle li:nth-child(5) {
  left: 90vw;
  animation-delay: 8s;
}

@keyframes circle {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 1;
    bottom: 0;
    border-radius: 0;
  }
  100% {
    transform: scale(5) rotate(1000deg);
    opacity: 0;
    bottom: 90vh;
    border-radius: 50%;
  }
}

/* responsive */
@media (max-width: 1080px) {
  .square li,
  .circle li {
    width: 25px;
    height: 25px;
  }
}

@media (max-width: 480px) {
  .square li,
  .circle li {
    width: 15px;
    height: 15px;
  }
}