graphiql/src/css/foldgutter.css

An graphical interactive in-browser GraphQL IDE.

.CodeMirror-foldmarker {
  color: blue;
  cursor: pointer;
  font-family: arial;
  line-height: 0.3;
  text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px,
    #b9f -1px 1px 2px;
}
.CodeMirror-foldgutter {
  width: 0.7em;
}
.CodeMirror-foldgutter-open,
.CodeMirror-foldgutter-folded {
  cursor: pointer;
}
.CodeMirror-foldgutter-open:after {
  content: '\25BE';
}
.CodeMirror-foldgutter-folded:after {
  content: '\25B8';
}