Cannot copy text inside PDF?!

[Alwinator]

The text inside the PDF is not select-able and not copy-able.
This is because I used a custom font (Open Sans). Is it possible to make the text select-able and copy-able with a custom font?

My CSS code:

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400&display=swap');

span, p, h1, h2, h3, h4, h5, h6, td, th, li {
    font-family: 'Open Sans', sans-serif;
}

[neallred]

I also have this issue, including tools like pdfgrep do not find any text in the PDF. My CSS files are loaded from on disk FWIW. When I comment out the font declarations so the fonts are not loaded, suddenly I am able to select & copy text, and tools like pdfgrep can find text in them.

Font declarations: https://github.com/neallred/resume-formatter/blob/master/in/neallred.css#L1-L23
Using CSS file in document generation: https://github.com/neallred/resume-formatter/blob/master/package.json#L7

[Alwinator]

It is not a solution to this exact problem, but I am using Asciidoctor instead of Markdown now. It has very similar syntax and offers advanced features and out-of-the-box PDF generation using asciidoctor-pdf.