<style>
    .ONE{
    background-color: green;
    border: none;
    border-radius: 2px;
    color: white;
    padding-top: 4px;
    padding-bottom: 4px;
    padding-left: 4px;
    padding-right: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: padding 0.3s, transform 0.3s, box-shadow 0.3s;
    position: relative;
    margin-left: 5px;
  }
  .ONE:hover{
   padding-right: 12px;
   padding-left: 12px;
 
  }
  .ONE:active{
    box-shadow: 1px 1px 12px 1.5px rgba(5, 153, 5, 0.717);
    transform: translateY(-1.5px);
  }
 </style>
<button class="ONE">
  ONE
</button>