是否可以使用CSS来更改伪元素data-URI中的SVG路径的颜色？
<a href="http://externalurl/">External Site</a>
CSS:
a[href^="http://"]:after { content: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB2ZXJzaW9uPSIxLjEiIHg9IjBweCIgeT0iMHB4IiB3aWR0aD0iMTVweCIgaGVpZ2h0PSIxM3B4IiB2aWV3Qm94PSItMyAyMSAxNSAxMyIgZW5hYmxlLWJhY2tncm91bmQ9Im5ldyAtMyAyMSAxNSAxMyIgeG1sOnNwYWNlPSJwcmVzZXJ2ZSI+PHBhdGggZmlsbD0iIzk5OTk5QSIgZD0iTTEyIDIxSDB2M2gtM3YxMEg5di0zaDNWMjF6IE04IDMzSC0ydi04aDJ2Nmg4VjMzeiBNOSAyN0g3djJINXYtMkgzdi0yaDJ2LTJoMnYyaDJWMjd6Ii8+PC9zdmc+); }
a[href^="http://"]:hover:after path { fill: #000; }