Background For Happy Australia Day Cartoon Vector

"Create a vibrant and cheerful illustration of a kangaroo holding two Australian flags, one in each hand. The kangaroo should be wearing red boxing gloves and have a friendly expression. In the background, include a green silhouette of Australia. Below the kangaroo, add the text 'Australia Day' in bold letters, followed by '26th January' in a slightly smaller font. Use bright and bold colors to make the image lively and festive."