Custom properties css

// get variable from inline style
element.style.getPropertyValue("--my-var");

// get variable from wherever
getComputedStyle(element).getPropertyValue("--my-var");

// set variable on inline style
element.style.setProperty("--my-var", jsVar + 4);

Source: developer.mozilla.org

Similar codes

50 votes114 views4 answers
Css reset code
CSS
0 vote109 views1 answer
Inline-block column appear higher than others
CSS
6 votes112 views1 answer
Border-radius circle using %
CSS
0 vote223 views1 answer
Css get the image to the center and to make it relative to the width of the parent.
CSS
0 vote112 views1 answer
How to add images on images css
CSS
1 vote110 views1 answer
Css sticky navigatiojn
CSS
0 vote137 views1 answer
How to make a flex container full page
CSS
5 votes160 views3 answers
Bootstrap 4 classes list with description pdf
CSS Bootstrap
0 vote112 views1 answer
Backwards text css
CSS
1 vote192 views1 answer
Overflow scrollbar with variable height
CSS