remove iframe to fix keyboard tab trap. #332
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Replace with a PDF 'gateway' section and button link.
This is a fix to and accessibility issue: when tabbing through the current page focus is trapped in the iframe and cannot escape.
The replace the iframe with a "gateway page" which summarizes the PDF and let's the user decide if they want to take the trouble to view or download it. The link is styled as a button to ensure it is distinct from regular links. It also has text indicating the link is to a PDF, the file size, and that the link will open in a new tab. These are all accessibility features.
Here's what this will look like:
