CodeMirror Themes allows you to set a theme for the ‘Plugin File Editor’ and ‘Theme File Editor’. A list and demo of the themes can be found at https://codemirror.net/demo/theme.html Issues / Bug reporting Found a bug? Please use the issue tracker at https://github.com/tacocode/wp-codemirror-themes/issues Usage Navigate to ‘Tools > CodeMirror Themes’ and select a theme you like Navigate to either ‘Appearance > Editor’ or ‘Plugins > Editor’