set background color of image css code example

Example 1: add background image and color css

background:linear-gradient( rgba(0, 0, 0, 0.5) 100%, rgba(0, 0, 0, 0.5)100%),url("logo/header-background.png");

Example 2: background color using css

/* To apply color to background you have to use 'background-color' property and value of property is color name. */
html,body {
  background-color: blue;
}

Example 3: how to change background color in css

body{
  background: lightblue;
}