Allowing disableCSSAnimation option to disable pseudo elements animat…

…ions

Adding pseudo elements selectors to style injection that disables the CSS animations in order for it to block animations on pseudo elements.

lib/clientSideScripts/setCustomCss.ts

@@ -7,9 +7,9 @@ export default function setCustomCss(cssOptions: CssOptions): void {
     if (document.head == null) {
         return;
     }
-
+    // disabling CSS animations for everything including pseudo elements
     const disableTransformationsTransitionsAnimations = `
-* {
+*, *::before, *::after {
     -o-transition-property: none !important;
     -moz-transition-property: none !important;
     -ms-transition-property: none !important;