.txt-clip doesn't work on IE

[ashfahan]

Describe the bug

IE does not support background-clip: text value

To Reproduce

Steps to reproduce the behavior:

1. Go to https://developer.mozilla.org/en-US/docs/Web/CSS/background-clip with IE
2. Select 4th (background-clip: text) preview
3. The background doesnt clip to text

Expected behavior

Desktop (please complete the following information):

• OS: Windows
• Browser: Internet Explorer
• Version: 11-

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