"min-width" and "max-width" on a media query code example
Example 1: media query min and max
/* Max-width */
@media only screen and (max-width: 600px) {...}
/* Min-width */
@media only screen and (min-width: 600px) {...}
/* Combining media query expressions */
@media only screen and (max-width: 600px) and (min-width: 400px) {...}
Example 2: min-width media query
Max Media Query