mkdocs-material/material/.icons/fontawesome/solid/sort-down.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512"><!--! Font Awesome Free 6.2.1 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="M182.6 470.6c-12.5 12.5-32.8 12.5-45.3 0l-128-128c-9.2-9.2-11.9-22.9-6.9-34.9S19 287.9 32 287.9h256c12.9 0 24.6 7.8 29.6 19.8s2.2 25.7-6.9 34.9l-128 128z"/></svg>