Back Code Run <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <form> <h2>Select Colors</h2> <input type="checkbox" id="red" checked> <label for="red">Red</label><br> <input type="checkbox" id="green"> <label for="green">Green</label><br> <input type="checkbox" id="blue"> <label for="blue">Blue</label><br> <br><br> <input type="submit" value="Submit"> </form> </body> </html> Result