<!DOCTYPE html>
<html>

<head>
  <title>
    CSS Box Hover Animations
  </title>
</head>

<body>
  <div class="container">
    <div class=card-i><img src="https://cdn0.iconfinder.com/data/icons/diversity-v2-0-volume-08/64/robot-4-512.png" alt"User">
      <h1>Unknown User</h1>
      <button>Follow User {:)</button>
    </div>
    <div class=card-e>
      <img src="https://cdn0.iconfinder.com/data/icons/diversity-v2-0-volume-08/64/robot-2-512.png">
      <h1>Unknown User</h1>
      <button>Follow User {:{</button>
    </div>
    <div class=card-r><img src="https://cdn0.iconfinder.com/data/icons/diversity-v2-0-volume-08/64/robot-3-512.png" alt"User">
      <h1>Unknown User</h1>
      <button>Follow User {:]</button>
    </div>
  </div>
</body>

</html>
@import url('https://fonts.googleapis.com/css2?family=Dosis&display=swap');

@import url('https://fonts.googleapis.com/css2?family=Cairo&display=swap');

*{
  background: linear-gradient(27deg,#1f0066, #4e00ff);
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  user-select: none;
}

body{
  height: 100vh;
  justify-items: center;
  position: relative;
  justify-content: center;
  align-items: center;
}

.container{
  justify-items: center;
  position: relative;
  justify-content: center;
  align-items: center;
  display: flex;
  height: 100%;
  width: 100%;
}

.card-i, .card-e, .card-r{
  width: 100%;
  margin: 10px;
  background: #3e4ce89e;
  height: 270px;
  max-width: 400px;
  border-radius: 10px;
  text-align: center;
  align-items: center;
}

 .card-e{
  width: 100%;
  margin: 10px;
  background: #3e4ce89e;
  height: 270px;
  max-width: 400px;
  border-radius: 10px;
  text-align: center;
  align-items: center;
}

.card-i .card-e .card-r, img:hover{
  width: 150px;
  height: 150px;
  border-radius: 60%;
}

.card-i img:hover{
  transition: .6s;
  border-radius: 50%;
  background: linear-gradient(to right, #3485E8, #18CAC1);
}

.card-e img:hover{
  transition: .6s;
  border-radius: 50%;
  background: linear-gradient(to right, #34E837, #18CA50);
}

.card-r img:hover{
  transition: .6s;
  border-radius: 50%;
  background: linear-gradient(to right, #E86834, #E8C134);
}

.card-i .card-e .card-r, h1{
   color: #fff;
  background: none;
  font-size: 1.5rem;
  font-family: 'Dosis',sans-serif;
  letter-spacing: 2px;
}

.card-i .card-e .card-r ,button:hover{
  letter-spacing: 2px;
  transition: .4s;
}

.card-i .card-e .card-r ,button{
  cursor: pointer;
  margin-top: 20px;
  border: none;
  border-radius: 40px;
  color: #fff;
  font-size: 16px;
  font-family: 'Cairo',sans-serif;
  font-weight: 400;
  background: linear-gradient(to right,#6147C4, #8647C4);
  letter-spacing: 1px;
  padding: 5px 15px 5px 15px;
}

.card-i .card-e .card-r:hover h1{
   color: #fff;
  background: none;
  font-size: 1rem;
  font-family: 'Dosis',sans-serif;
  letter-spacing: 1px;
}

.card-i .card-e .card-r, img{
  width: 200px;
  height: 200px;
  transition: .5s;
  background: none;
}
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