Calculator/Calculator at main · Krish260653/Calculator · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Calculator</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: #f0f0f0;
            font-family: Arial;
        }

        .calculator {
            background: #222;
            padding: 20px;
            border-radius: 10px;
            width: 260px;
        }

        .display {
            width: 100%;
            height: 50px;
            margin-bottom: 15px;
            font-size: 22px;
            text-align: right;
            padding: 10px;
            border: none;
            border-radius: 5px;
        }

        .buttons {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
        }

        button {
            height: 50px;
            font-size: 18px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }

        .number {
            background: #eee;
        }

        .operator {
            background: orange;
            color: white;
        }

        .equal {
            background: green;
            color: white;
            grid-column: span 2;
        }

        .clear {
            background: red;
            color: white;
            grid-column: span 2;
        }
    </style>
</head>
<body>

<div class="calculator">
    <input type="text" class="display" placeholder="0" disabled>

    <div class="buttons">
        <button class="clear">C</button>
        <button class="operator">/</button>

        <button class="number">7</button>
        <button class="number">8</button>
        <button class="number">9</button>
        <button class="operator">*</button>

        <button class="number">4</button>
        <button class="number">5</button>
        <button class="number">6</button>
        <button class="operator">-</button>

        <button class="number">1</button>
        <button class="number">2</button>
        <button class="number">3</button>
        <button class="operator">+</button>

        <button class="number">0</button>
        <button class="number">.</button>
        <button class="equal">=</button>
    </div>
</div>

</body>
</html>