mkdocs-material/material/templates/.icons/octicons/three-bars-16.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path d="M1 2.75A.75.75 0 0 1 1.75 2h12.5a.75.75 0 0 1 0 1.5H1.75A.75.75 0 0 1 1 2.75Zm0 5A.75.75 0 0 1 1.75 7h12.5a.75.75 0 0 1 0 1.5H1.75A.75.75 0 0 1 1 7.75ZM1.75 12h12.5a.75.75 0 0 1 0 1.5H1.75a.75.75 0 0 1 0-1.5Z"/></svg>