Can the alert box in JavaScript be styled by CSS?

Answer 1

// Unfortuanely no.
But you can create your own dialog using <div> block and CSS properties, or you can use libraries for dialogs already created by developers.

Such as this:
http://bootboxjs.com/

Answer 2

Behind every great programmer is a search engine. You can find out if it is possible through a Google query which would be faster for you instead of waiting on other to answer off the top of their heads or do the same query.

Answer 3

Create a modal in css