Gustav Klimt's art reflected the cultural changes of his time, particularly the Austrian Secession movement and the flourishing of symbolism. His works, characterized by ornate patterns and vibrant colors, expressed themes of identity, sexuality, and femininity. Klimt's famous piece, "The Kiss," encapsulates the tension between traditional values and modernity, showcasing the psychological and erotic aspects of relationships. His innovative approach to portraiture and decorative art highlighted the evolving societal norms at the turn of the 20th century, making him a pivotal figure in art history.