index.html

<!DOCTYPE html>
<html lanf="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewpoint" content="width=device-width, intial-scale=1">
        <link rel="stylesheet" href="style.css">
        <title>Calculator - By Code Monk</title>
    </head>
    <body>
        <div class="calculator">
            <input type="text" placeholder="0" id="inputBox">
            <div>
                <button class="operator">AC</button>
                <button class="operator">DEL</button>
                <button class="operator">%</button>
                <button class="operator">/</button>
            </div>
            <div>
                <button>7</button>
                <button>8</button>
                <button>9</button>
                <button class="operator">*</button>
            </div>
            <div>
                <button>4</button>
                <button>5</button>
                <button>6</button>
                <button class="operator">-</button>
            </div>
            <div>
                <button>1</button>
                <button>2</button>
                <button>3</button>
                <button class="operator">+</button>
            </div>
            <div>
                <button>00</button>
                <button>0</button>
                <button>.</button>
                <button class="equalBtn">=</button>
            </div>
        </div>

        <script src="script.js"></script>

    </body>
</html>