Prompt code:
A whimsical vector illustration featuring a serene blue castle with a pink roof and a yellow flag. The castle is adorned with intricate details and sits atop a hill. A vivid rainbow shooting star gracefully arcs over the castle, symbolizing the power of imagination. The text "Believe In Serenity" is displayed prominently, with each letter in a different color, reflecting the diverse spectrum of the rainbow. The phrase "Create Your Own Magic" is written in a playful, whimsical font, inviting viewers to embrace their creativity. The overall design exudes a sense of tranquility and enchantment, making it an ideal vector t-shirt design on a pristine white background.https://ideogram.ai/g/RrAv22JZT9OhA1zK9GcDHQ/0