Re: [csswg-drafts] [css-variables] User Agent properties and variables from 周祺 via GitHub on 2017-09-20 (public-css-archive@w3.org from September 2017)

From: 周祺 via GitHub <sysbot+gh@w3.org>
Date: Wed, 20 Sep 2017 08:52:12 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-330788503-1505897521-sysbot+gh@w3.org>

Why the constant can't be used in calc? This does not meet expectations.

![](https://img.alicdn.com/tfs/TB15wBGbjihSKJjy0FfXXbGzFXa-283-68.png)

![](https://img.alicdn.com/tfs/TB1U4xIbaagSKJjy0FhXXcrbFXa-333-77.png)

Yes, we can use `height: 44px; padding-top: constant(safe-area-inset-top)`, but `height: calc(constant(safe-area-inset-top) + 44px)` is conciser, and sometimes we have no choice.

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Received on Wednesday, 20 September 2017 08:52:11 UTC