Scrollbar are always visible

[RemyLespagnol]

Is this a bug report?

Yes

Have you read the Contributing Guidelines on issues?

yes

Environment

v1.3.0

Steps to Reproduce

1. Go to the docs page
2. Go to the blog page

Expected Behavior

The scroll bar need to be hidden when the content is not overflow.

Actual Behavior

Reproducible Demo

The scroll bar need to have overflow-y: auto; and not overflow-y: scroll;