When using the web version, navigate to the page you wish to bookmark and click the Bookmarks icon in the top menu bar.
A new window will appear asking you to name the bookmark. Enter a name that you can remember for later and click Add. The page will now appear in the Bookmarks section. To reference it later, simply click on the Bookmarks icon again and tap or click on the desired page.
To remove the bookmark, click on the X in the top right of the page to be removed from the Bookmarks section.
When using the app, navigate to the page to be bookmarked, and click on the Bookmarks icon in the top menu bar. The bookmarked page will now appear in the My Content section of your app.
To remove it from your My Content section, tap or click on the bookmark icon on the bottom right of the bookmarked page.