index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link type="image/png" sizes="96x96" rel="icon" href="Favicon.png">
    <link type="text/css" rel="stylesheet" href="style.css">
   
    <title>Calculator</title>
</head>
<body>
    <h1>Calculator</h1>
    <div id="Container">
        <div id="div1">
            <span id="res">0</span></div>
        <div id="div2">
            <button style="background-color:#952323" id="AC">AC</button>
            <button id="delete">DEL</button>
            <button id="mod">%</button>
            <button id="divide">/</button>
        </div>
        <div>
            <button id="seven"> 7</button>
            <button id="eight">8</button>
            <button id="nine">9 </button>
            <button id="multiply">*</button>
        </div>
        <div>
            <button id="four">4</button>
            <button id="five">5</button>
            <button id="six">6</button>
            <button id="subtract">-</button>
        </div>
        <div>
            <button id="one">1</button>
            <button id="two">2</button>
            <button id="three">3</button>
            <button id="add">+</button>
        </div>
        <div>
            <button id="zero">0</button>
            <button id="decimal">.</button>
            <button id="sign">+/-</button>
            <button style="background-color: #C70039" id="equal">=</button>
        </div>

    </div>


    <script src="script.js"></script>
</body>
</html>