src/fallbackIcon.svg
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 512 512">
<circle cx="256" cy="390" r="25"/><circle cx="256" cy="256" r="236" stroke-width="40" stroke="currentColor" fill="none"/>
<path d="M256,128.5c-44.112,0-80,35.888-80,80c0,11.046,8.954,20,20,20s20-8.954,20-20c0-22.056,17.944-40,40-40
c22.056,0,40,17.944,40,40c0,22.056-17.944,40-40,40c-11.046,0-20,8.954-20,20v50c0,11.046,8.954,20,20,20
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</svg>