app/assets/images/flags/cu.svg
<svg xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 400">
<path d="M0,0h800v400H0z" fill="#002a8f"/>
<path d="M0,80h800v80H0v80h800v80H0z" fill="#fff"/>
<path d="M346.4,200L0,0v400z" fill="#cf142b"/>
<path d="M115.5,140l35.35,108.5 l-92.5-67h114.2l-92.5,67z" fill="#fff"/>
</svg>