The developers at LinkedIn have made it very simple to create a custom share button. To create it follow these steps:
- Visit LinkedIn Share Plugin.
- Customize your button as needed.
- Copy the HTML code provided.
- In your Sitebuilder, go to Widgets > Popular.
- Drag and drop the HTML Code Widget onto your page.
- Paste the code into the HTML Editor.
- Click "Save".
- Don't forget to publish your changes.
Our tutorial on using the HTML Code Widget is here (really easy)!