flare/data/resources/style-dark.css

.timestamp{
  background-color: black ;
}

.media-overlay {
	border-color: @dark_3;
}

button.scroll-to-bottom {
  box-shadow: 0 1px 3px 0 alpha(black, 0.6);
}

.message-item.pending .message-bubble {
  background-color: goldenrod;
}

.message-item.error .message-bubble {
  background-color: darkred;
}