media screen width code example

Example 1: media query

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

Example 2: css media screen

@media (max-width: 991px){
    .mobile{
        display: block;
    }
}

Example 3: screen sizes for css media

<meta name="viewport" content="width=device-width, initial-scale=1" />