body { font-family: 'Arial', sans-serif; background-color: #f4f4f4; } h1, h2, h3 { color: #333; } .stButton>button { background-color: #4CAF50; color: white; border: none; padding: 10px 20px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; transition-duration: 0.4s; } .stButton>button:hover { background-color: white; color: black; border: 2px solid #4CAF50; }