how to add css class using javascript

want to dissable my anchor tag on click that button

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How to use Media query in css

I want to make responsive web page so I need to use media query in css. How can I use this media query in css to make it device dependent

kaushal Kumar Upadhyay


What are pseudo elements

How to use pseudo elements in css to add before or after of html elements.

kaushal Kumar Upadhyay


How to gradient background color in css

I want to use combination of two or more than two color as a background color of the web page or its part.

kaushal Kumar Upadhyay