https://registry.npmjs.org/css-blank-pseudo/-/css-blank-pseudo-6.0.1.tgz;downloadfilename=npm2/css-blank-pseudo-6.0.1.tgz;sha512sum=8284a71084c1cb14f35383a1e68259ac45ae7714ea93b2fa2178f5516ebda4ee87bf451d5fe56caedd36145bb90f07918766cbbba5a95fffb3b100aee4ed602b