body.dark-theme .top-bar {
  background-color: black;
}

.top-bar .logo {
  background: url('https://avatars.githubusercontent.com/u/69674524?s=200&v=4');
  background-repeat: no-repeat;  
  background-size: cover;
  height: 24px;
  width: 24px;
}

.top-bar .logo .logo-svg {
  display: none;
}