How we can open background in html

Answer 1

I'm not sure what you mean by open the background.

You could use CSS and change the background with:

<selector> {
background-color: <color>;
}

https://www.sololearn.com/Course/CSS/

^Learn that with HTML.

Answer 2

can't get your question... please describe

Answer 3

no I am not get that

Answer 4

actually I want to know this at 10 class level

Answer 5

Use bgcolor in HTML?

Answer 6

HTML 5 doesnt suppose bgcolor but it should work for older versions, or for 10th class.

Answer 7

Or just use this.....
<style>body {background-color: lime}</style>

Answer 8

Actually.... we can't use hyphens so we have to use camelTop....
<style>body {backgroundColor:}</style>