Merge pull request #18144 from yomotsu/fix/css3-root-elms-may-cover-child

CSS3Renderer: CSS pointer-events handling

examples/js/renderers/CSS3DRenderer.js

@@ -10,6 +10,7 @@ THREE.CSS3DObject = function ( element ) {
 
 	this.element = element;
 	this.element.style.position = 'absolute';
+	this.element.style.pointerEvents = 'auto';
 
 	this.addEventListener( 'removed', function () {
 
@@ -55,6 +56,7 @@ THREE.CSS3DRenderer = function () {
 
 	var domElement = document.createElement( 'div' );
 	domElement.style.overflow = 'hidden';
+	domElement.style.pointerEvents = 'none';
 
 	this.domElement = domElement;