media screen and width code example

Example 1: @media screen and (max-width

@media screen and (min-width: 769px) {
    /* STYLES HERE */
}

@media screen and (min-device-width: 481px) and (max-device-width: 768px) { 
    /* STYLES HERE */
}

@media only screen and (max-device-width: 480px) {
    /* STYLES HERE */
}

Example 2: screen sizes for css media

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