Display Country/LGBTQ+/Pride Flags With Only HTML – Flag.css
Generate fast loading, scalable country and pride flags using pure CSS with the pure-css-flags library. No custom images needed!
JavaScript & CSS Flag
LGBT Pride Flags In Pure CSS
A set of LGBT pride flags and icons that are easy to implement with pure CSS and HTML.
National Flag CSS Library – currency-flags
currency-flags is a CSS library used to embed national flags into HTML document using plain HTML/CSS and base64 encoded images.
111 CSS Only Country Flags
111 single element country flags implemented in pure HTML/CSS.