Answers for "css coor background"

background color css

html,body {
  background-color: red;
}

css transparent background color

div {
 opacity:25% ; 
}

how to change background color in css

body{
  background: lightblue;
}

css background collor

<style>
body {
  background-color: coral;
}
</style>

css coor background

body {background-color: coral;}

background color

//javascript type css:
document.body.style.backgroundColor = "blue";
// or inline css:
<div style="background-color: blue;"></div>