Read the following excerpt from a fictional narrative:
Excerpt: "As she stepped into the quaint little café, a warmth enveloped her. The soft strumming of a guitar filled the air, mingling with the rich aroma of freshly brewed coffee. Her heart felt lighter as she found a cozy corner by the window, sunlight streaming through and illuminating her smile. It was as if the world outside had faded away, leaving only this moment of peace and bliss."
Based on the excerpt, what tone does the author convey through their description of the café setting?