marquee shelter is on-chain conceptual NFT art with a lifetime. It is to bury the dying web2 technology in the web3 blockchain as living things. Its artwork is an HTML animation with deprecated marquee tags. The marquee tag is an expression that was popular on good old websites.It is an expression to draw attention by scrolling text. This tag has been deprecated from the HTML specification. By using the technique that has stopped development, the artwork may change (stop) due to different factors such as browser version upgrade. As a matter of fact, it does not work well in Safari already. Art with a lifetime helps us embrace changes.