When it comes to antonyms for the phrase "art at the bottom of," there are a few different options to consider. Some possible antonyms might include "high art," "fine art," or "sophisticated art," all of which suggest a level of skill, complexity, or refinement that would be absent from something described as "at the bottom." Other antonyms might focus on the emotional or aesthetic impact of the art in question; for instance, someone might describe a painting or sculpture as "uplifting," "inspiring," or "beautiful" to contrast with something that might be seen as "dull," "boring," or "ugly." Ultimately, the choice of antonym will depend on the context and the speaker's desired effect on the audience.