Expected Behavior

More components in the theme object should support customization by specifying a family property for those components. I was attempting to customize List while a coworker is trying to customize Anchor. Using the extend function is a workaround for now.

Actual Behavior

Only Heading and Button support family on the theme object.

URL, screen shot,

Feature request summary

Make the clear button on a filter disappear if I need it to!

Rationale

On a filter where one option must always be selected, I don't want to have the 'Clear' button there especially when it is never clickable.

<img width="448" alt="Screen Shot 2020-05-14 at 3 24 42 PM" src="https://user-images.githubusercontent.com/31415327/81977854-a91e8880-95f8-11ea-931

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.11.10

Component

Nav

Environment

Chrome Latest

Reproduction link

Steps to reproduce

期望可以透传s

Is your feature request related to a problem? Please describe.
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**Describe the solution

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