responsive mobile screen size html code example

Example 1: media query

@media only screen and (max-width: 600px) {
  body {
    background-color: lightblue;
  }
}

Example 2: media query css for all devices

@media (min-width: 600px) and (max-width: 800px) {

/* your css code here  */

/* html { background: red; } */


}