mkdocs-material/material/templates/.icons/fontawesome/solid/play.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 384 512"><!--! Font Awesome Free 6.5.1 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 2023 Fonticons, Inc.--><path d="M73 39c-14.8-9.1-33.4-9.4-48.5-.9S0 62.6 0 80v352c0 17.4 9.4 33.4 24.5 41.9S58.2 482 73 473l288-176c14.3-8.7 23-24.2 23-41s-8.7-32.2-23-41L73 39z"/></svg>