Countdown Timer Counter

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Countdown Timer Counter</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: linear-gradient(135deg, #00c9ff, #92fe9d);
            font-family: 'Arial', sans-serif;
            margin: 0;
        }
        .counter-container {
            text-align: center;
            background: #fff;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        .counter {
            font-size: 100px;
            color: #333;
            margin: 0;
        }
        .label {
            font-size: 20px;
            color: #333;
            margin-top: 10px;
            letter-spacing: 1.5px;
        }
        .increment-btn {
            background: #00c9ff;
            color: #fff;
            border: none;
            padding: 10px 20px;
            font-size: 20px;
            border-radius: 5px;
            cursor: pointer;
            margin-top: 20px;
            transition: background 0.3s;
        }
        .increment-btn:hover {
            background: #92fe9d;
        }
    </style>
</head>
<body>
<div class="counter-container">
    <div class="counter" id="counter">10</div>
    <div class="label">Countdown</div>
    <button class="increment-btn" onclick="startCountdown()">Start Countdown</button>
</div>
<script>
    let count = 10;
    const counterElement = document.getElementById('counter');
    function startCountdown() {
        const countdownInterval = setInterval(() => {
            if (count > 0) {
                count--;
                counterElement.textContent = count;
            } else {
                clearInterval(countdownInterval);
                alert('Time\'s up!');
            }
        }, 1000);
    }
</script>
</body>
</html>

Countdown Timer Counter - MeggiTools