cmps/static/lib/codeMirror/addon/display/fullscreen.css

cmps is not only a server tool but also a powerful tool to design & make your component/UI quickly and best.

.CodeMirror-fullscreen {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  height: auto;
  z-index: 9;
}