JSFiddle - React, Tailwind, and code Playground

by Brett Gaynor

HTML

<div class="container">
  <div class="holder-50">
    <div class="square one"></div>
  </div>
  <div class="holder-50">
    <div class="square two"></div>
  </div>
</div>

CSS

.container {
  width: 100%;
  display: flex;
}
.holder-50 {
  max-width 50%;
}
.square {
    width: 350px;
    height: 350px;
    margin: 200px auto;
    background: #41A9F0;
}
.one {
  animation: box 5s linear infinite;
}

.two {
  animation: boxNoBg 5s linear infinite;
}

@keyframes box {
    0% {
      transform: scale(0.2) rotate(0deg);
      border-radius: 0;
    }
    50% {
     transform: scale(2) rotate(180deg);
     border-radius: 50%;
     background:#5ABE8A;
    }
    100% {
      transform: scale(0.2) rotate(360deg);
    }
}

@keyframes boxNoBg {
    0% {
      transform: scale(0.2) rotate(0deg);
      border-radius: 0;
    }
    50% {
     transform: scale(2) rotate(180deg);
     border-radius: 50%;
     /* background:#5ABE8A; */
    }
    100% {
      transform: scale(0.2) rotate(360deg);
    }
}