body {
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #081734;
}

.container {
  width: 100px;
  height: 100px;
  position: relative;
  animation: animate 1s linear infinite;
  transform: rotate(45deg);
}

span {
  position: absolute;
  width: 50px;
  height: 50px;
  animation: rotate 1s linear infinite;
}

span:nth-child(1) {
  top: 0;
  left: 0;
  background-color: #fceba7;
}

span:nth-child(2) {
  top: 0;
  right: 0;
  background-color: #55ddb9;
}

span:nth-child(3) {
  bottom: 0;
  left: 0;
  background-color: #fd6c64;
}

span:nth-child(4) {
  bottom: 0;
  right: 0;
  background-color: #1f78b0;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }

  10% {
    transform: rotate(0deg);
  }

  50% {
    transform: rotate(90deg);
  }

  90% {
    transform: rotate(90deg);
  }

  100% {
    transform: rotate(90deg);
  }
}

@keyframes animate {
  0% {
    width: 100px;
    height: 100px;
  }

  10% {
    width: 100px;
    height: 100px;
  }

  50% {
    width: 150px;
    height: 150px;
  }

  90% {
    width: 100px;
    height: 100px;
  }

  100% {
    width: 100px;
    height: 100px;
  }
}
