<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Grade Calculator 🧮</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<h2>Student Grade Calculator</h2>
<div class="flex-box">
<div class="card">
<div class="input">
<input type="number" id="p" placeholder="Physics">
<input type="number" id="c" placeholder="Chemistry">
<input type="number" id="d" placeholder="Maths">
<input type="number" id="f" placeholder="Biology">
<button onclick="calculate()">Calculate Marks</button>
<p id="demo"></p>
<p id="demo1"></p>
<p id="demo2"></p>
</div>
</div>
</div>
</div>
</body>
<script src="script.js"></script>
</html>