karavan-designer/src/index.css

html,
body,
#root,
.App {
  height: 100%;
}

#root {
  margin: 0;
  height: 100%;
}

#root {
  display: flex;
  flex-direction: column;
}

.logo {
  display: flex;
}

.logo  .pf-c-brand {
  height: 30px;
  margin-right: 10px;
}