Design a background suitable for the dimensions of a YouTube Short, tailored for a criminal riddles quiz. The background should exude an air of intrigue and mystery, drawing viewers into the enigmatic world of crime-solving. It should feature realistic elements that resonate with the theme of detective work, like shadowy corners, a magnifying glass, cryptic notes, and subtle clues scattered throughout. The atmosphere should be captivating yet not too dark, balancing the seriousness of criminal investigation with the engaging nature of a quiz. The style needs to be lifelike with meticulous attention to detail, ensuring each element contributes to the overall mysterious aura. --stylize 250 --ar 9:16 --v 6.0