discourse/plugins/chat/assets/stylesheets/common/chat-thread-original-message.scss

.chat-thread-original-message {
  display: flex;
  margin: 0.5rem 0rem;

  &__inner-container {
    width: 100%;
  }

  &__excerpt {
    padding-bottom: 0.25rem;
  }

  &__author {
    display: flex;
    align-items: center;
  }

  &__avatar {
    padding: 0.25rem 0.25rem 0.25rem 0;
  }
}