Using HTML5 required style you can validate your form and show error. But sometimes you need to give a style like keep the color red for error or green on success. Here’s how to use CSS3 required.
<!DOCTYPE html>
<html>
<head>
<title>CSS3 styles</title>
<style type="text/css">
input[type="checkbox"]:required:invalid + label { color: red; }
input[type="checkbox"]:required:valid + label { color: green; }
</style>
</head>
<body>
<form>
...
<p>
<input id="agree" name="agree" type="checkbox" required>
<label for="agree">I accept the <u>Terms and Conditions</u></label>
</p>
...
</form>
</body>
</html> Once you've memorized basic blackjack strategy, it's time to delve deeper into the game. Advanced…
Yoga is no longer just a physical practice. Yoga is popular as a lifestyle practice.…
Best Crypto Sign-Up Bonuses in India 2026: Ranked & Compared Every exchange claims to have…
One of the world's busiest travel hubs, New York City relies heavily on coach bus…
Whether large scale or small scale, many businesses want to market their services or products…
Online trading has brought ease of trading, better security protocols, and fast trade executions; however,…