Generate a website banner mockup for office supplies sales. The mockup should showcase a layout of office items, such as pens, notebooks, a laptop, and a coffee mug, placed attractively on a clean desk. Leave a blank space at the top of the banner to insert a title. The design should convey an organized and productive workspace ambiance. Use neutral and professional colors like whites, grays, and subtle touches of blue. Details should be crisp and realistic to give the sense of a real office environment. The title should be readable and appealing, with a message like 'Your Perfect Office: Find the Best Supplies Here'. The final image should be high-resolution and ready to be inserted into the homepage of a website

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