.stand-chat-button--background::part(button){background:var(--stand-chat-button-background);border-color:var(--stand-chat-button-background)}.stand-chat-button--background::part(button):hover{filter:brightness(.94)}.stand-chat-button--color::part(button){color:var(--stand-chat-button-color)}.stand-chat-button--radius::part(button){border-radius:var(--stand-chat-button-radius)}