style.css

/* Import Google font - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
body{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
}
.animation{
  height: 95px;
  display: flex;
  transform: rotate(180deg);
}
.animation span{
  width: 38px;
  margin: 0 2px;
  border-radius: 6px;
  /* background-color: #fff; */
  animation: loader 2s infinite;
}
@keyframes loader{
  0%, 100%{
    height: 15px;
    background: #0081C9;
  }
  25%{
    height: 95px;
    background: #FFB100;
  }
  50%{
    height: 50px;
    background: #54B435;
  }
  75%{
    height: 95px;
    background: #FF6464;
  }
}
.animation span:nth-child(1){
  animation-delay: .2s;
}
.animation span:nth-child(2){
  animation-delay: .4s;
}
.animation span:nth-child(3){
  animation-delay: .6s;
}
.animation span:nth-child(4){
  animation-delay: .8s;
}
.animation span:nth-child(5){
  animation-delay: 1s;
}