dashicons/svg-min/arrow-left-alt2.svg

<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><rect x="0" fill="none" width="20" height="20"/><g><path d="M14 5l-5 5 5 5-1 2-7-7 7-7z"/></g></svg>