y-scrollbar are cropped

[NicolasRannou]

Description

The y-scrollbar is cropped.

Expected outcome

Y-scrollbar should not be cropped.

Actual outcome

The y-scrollbar is cropped.

Live Demo

https://www.webcomponents.org/element/PolymerElements/iron-autogrow-textarea/demo/demo/index.html

Steps to reproduce

Male a scrollbar appear in any element.

Browsers Affected

• Chrome

[NicolasRannou]

[NicolasRannou]

couple of extra box-sizing: border-box seem to fix things.

[NicolasRannou]

the following mixin fixes it but may be good to have it set by default:

--iron-autogrow-textarea: {
  box-sizing: border-box;
}

Can submit a PR if interested -