luci-app-mosdns/luci-app-mosdns/htdocs/luci-static/resources/codemirror5/addon/fold/foldgutter.min.css

.CodeMirror-foldmarker{color:#00f;text-shadow:#b9f 1px 1px 2px,#b9f -1px -1px 2px,#b9f 1px -1px 2px,#b9f -1px 1px 2px;font-family:arial;line-height:.3;cursor:pointer}.CodeMirror-foldgutter{width:.7em}.CodeMirror-foldgutter-folded,.CodeMirror-foldgutter-open{cursor:pointer}.CodeMirror-foldgutter-open:after{content:"\25BE"}.CodeMirror-foldgutter-folded:after{content:"\25B8"}