Visualize a serene cosmic landscape where translucent cubes float gracefully among twinkling stars. Each cube emits a soft, warm glow, casting gentle light that dances across the surrounding void. The background features deep indigos and vivid purples, enhancing the illusion of depth and tranquility. A few wisps of nebula-like clouds swirl around, adding to the ethereal ambiance, inviting viewers to get lost in this dreamlike scene.