node-red-contrib-chatbot/src/styles/header.css

REDBot a Chat bot for a full featured chat bot for Telegram, Facebook Messenger and Slack. Almost no coding skills required

.mc-sidebar-header .logo {
  background-image: url('../images/mc-logo.png');
  width: 150px;
  height: 50px;
  background-repeat: no-repeat;
  background-size: contain;
}