prism-show-invisibles.min.css

.token.cr,.token.lf,.token.space,.token.tab:not(:empty){position:relative}.token.cr:before,.token.lf:before,.token.space:before,.token.tab:not(:empty):before{color:grey;opacity:.6;position:absolute}.token.tab:not(:empty):before{content:'\21E5'}.token.cr:before{content:'\240D'}.token.crlf:before{content:'\240D\240A'}.token.lf:before{content:'\240A'}.token.space:before{content:'\00B7'}