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Use Calc For Dimensions


Before I get started let me just say that I haven't used Webflow since 2013 and a lot has changed.

Anyway I decided to try using Webflow for a recent project -

I've came across a few annoyances. I can't set the image source to be empty or have height: calc(100% - 40px).

How can I add height: calc(100% - 40px); to an element? For example the images on

Here's what I'm trying to accomplish in Webflow:

CSS Calc support

For now, you can apply this property by using the custom code, on the page settings tab or inside the embed code widget right on the page.


Looks like I'd have to pay for that. Большое спасибо