app/assets/images/flags/sr.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 900 600">
<rect width="900" height="600" fill="#377e3f"/>
<rect y="120" width="900" height="360" fill="#fff"/>
<rect y="180" width="900" height="240" fill="#b40a2d"/>
<path d="M 450,191.459 520.534,408.541 335.873,274.377 564.127,274.377 379.466,408.541 z" fill="#ecc81d"/>
</svg>