<h1>Hover on Card given below</h1>
<div class="flip-box">
  <div class="flip-box-inner">
    <div class="flip-box-front">
      <h2>Front Side</h2>
    </div>
    <div class="flip-box-back">
      <h2>Back Side</h2>
    </div>
  </div>
</div>

*{
  font-family:sans-serif;
}
/* flip card starts here */
.flip-box {
  background-color: transparent;
  width: 300px;
  margin:auto;
  height: 200px;
  perspective: 1000px; /* Remove this if you don't want the 3D effect */
}

/* This is to position the front and back side */
.flip-box-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

/* Do an horizontal flip when you move hover on container */
.flip-box:hover .flip-box-inner {
  transform: rotateY(180deg);
}

/* Put the front and back side */
.flip-box-front, .flip-box-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;
}

/* Style the front side */
.flip-box-front {
  background: linear-gradient(246deg, #5d9acb, #67dac5);
  color: black;
}

/* Style the back side */
.flip-box-back {
  background: linear-gradient(297deg, #fb1ea1, #ca51dc);
  color: white;
  transform: rotateY(180deg);
}

// Ofcourse no Js