style.css

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: rebeccapurple;
   
  }
  

  

  .card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
   align-items:stretch ;
  }
  .card-body{
    text-align: center;
  }
  .flip-card {
    background-color: transparent;
    
    perspective: 1000px;
  }
  
  .flip-card-inner {
    position: relative;
    /*background-color: violet;*/
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
  }
  
  .flip-card-flipper .flip-card-inner {
    transform: rotateY(180deg);
  }
  
  .flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
  
  .flip-card-front {
    font-size: 6rem;
      
    color: white;
  }
  
  .flip-card-back {
    font-size: 5.5rem;
    color: white;
    transform: rotateY(180deg);
  }