@media screen and (max-width: 1024px) { .itemBox{ min-width: 580px; /*was 250px*/ } } code example

Example: 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)  {...}