app/assets/images/flags/1x1/sr.svg
<svg xmlns="http://www.w3.org/2000/svg" id="flag-icon-css-sr" viewBox="0 0 512 512">
<path fill="#377e3f" d="M0 0h512v512H0z"/>
<path fill="#fff" d="M0 102.4h512v307.2H0z"/>
<path fill="#b40a2d" d="M0 153.6h512v204.8H0z"/>
<path fill="#ecc81d" d="M255.9 163.4l60.2 185.2-157.6-114.5h194.8L195.7 348.6z"/>
</svg>