change TOC close icon
@@ -21,7 +21,7 @@ class TocPanel extends Component {
return (<div className={panelClass}>
<div className="header">
<span className="toc-panel-header-title">{docMeta.title + " " + docMeta.type}</span>
- <span className={collapseButtonClass} onClick={this.toggle}>&times;</span>
+ <span className={collapseButtonClass} onClick={this.toggle}>|||</span>
</div>
<div className={expandButtonClass} onClick={this.toggle}>&#9776;</div>
<TocMenu toc={this.props.toc}
