.CodeMirror-foldmarker {

  color: blue;

  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-open,

.CodeMirror-foldgutter-folded {

  cursor: pointer;

}

.CodeMirror-foldgutter-open:after {

  content: "\25BE";

}

.CodeMirror-foldgutter-folded:after {

  content: "\25B8";

}

