JSFiddle - React, Tailwind, and code Playground
by Scott Kaye
HTML
<div id="canada"></div>
CSS
#canada {
--size: 300px;
width: var(--size);
height: calc(var(--size) / 2);
background: linear-gradient(90deg, #f00 25%, #fff 25%, #fff 75%, #f00 75%);
position: relative;
}
#canada::before {
content: "\1F341\FE0E";
position: absolute;
top: 0;
right: 0;
left: 0;
text-align: center;
font-size: calc(var(--size) / 3);
line-height: calc(var(--size) / 2);
color: #f00;
}