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<!DOCTYPE html>
<html>

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="script.js"></script>
  
  <style>
    button{
      width:120px;
      height:40px;
      margin:-5px;
      background:#ee5353;
      border:1px solid gray;
      border-radius:3px;
    }
    button:nth-child(2){
      height:60px;
      position:relative;z-index:2;
    }
  </style>
</head>
  <body>
   <button>1</button>
   <button>2</button>
   <button>3</button>

  </body>

</html>

// Code goes here

/* Styles go here */