message: Bring yaml header left alignment inline with namespace selector
  Emphasize header vs selector by increase font size
diff: .yaml-editor__header {
  border-bottom: 1px solid #ddd;
  - font-size: 16px;
  - padding: 10px 20px;
  + font-size: 20px;
  + font-weight: 300;
  + padding: 10px 15px;
  + @media(min-width: $screen-sm-min) {
  + padding: 10px 31px; // left alignment with namespace selector text
  + }
  }
  .yaml-editor__subheader {
  