You will need to get your networking and guessing keep going regarding their hobbies and what you might have heard them say a while ago. For instance, if the person you are gifting loves make-up, you can find some ideas in this article or if they enjoy spending time in the nature, or love taking photos ( have any specific hobbies)
However, if you are shopping for a co-worker, some helpful tips would have to be found here. A new desk mat, charger, and some no-risk choices which would go great with working from home as well as working from the office.