Edit in JSFiddle

Result
CSS
HTML

body > div {
    margin: 100px 100px;
    width: 200px;
    height: 100px;
    background: #000;
    color: #7FFF00;
    font-family: Arial;
    font-weight: 500;
    font-size: 3.5em;
    text-align: center;
    line-height: 100px;
    transition: all 0.5s ease;
  }
  
  .scalemaxmin:hover {
    -webkit-transform: scale(1.5);
    -ms-transform: scale(1.5);
    transform: scale(1.5);
  }
}

<body>

  <div class="scalemaxmin">Maх</div>


</body>