mkdocs-material/material/.icons/fontawesome/solid/file.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><!--! Font Awesome Free 6.0.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M256 0v128h128L256 0zm-32 128V0H48C21.49 0 0 21.49 0 48v416c0 26.5 21.49 48 48 48h288c26.51 0 48-21.49 48-48V160H256.9c-18.6 0-32.9-14.3-32.9-32z"/></svg>