Total Click Count inside Shadow Dom:0
Total Click Count on Shadow Host:0
Total Keydown Count on Shadow Host:0
Click to set font size style:
Input element on the top document:

Start of Shadow DOM content.

This original text shouldn't be displayed.

This text is provided by the custom tag.

A slot based email input under the top shadow root:

Below is another shadow DOM, but it should not be invisible

Shadow DOM (Template 1)

Nested Shadow DOM (Template 2)

Shadow DOM Closed Shadow Root (Template 3)

Start of Shadow DOM content.

End of Shadow DOM content.