WDC 1.4 css variables

css variables foundamentally simple

* preprocessors

* flexbox

fluid, complex layout , great for responsibility design

* calc()

for calculatoon

* variables ?

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SASS - like less

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e.g bootstrap

variables files 850 lines

-- organization

modularity

current color

border : solid currentcolor

use cascading with css from parent

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 demo

:root{

--color: green

}

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u can change the variable through javascript selector

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blink-dev google group

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rework css preprocessor

or css variables polyfil

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