@media screen and (max-width: 1400px 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: media query min max
@media screen and (min-width: 200px) and (max-width: 640px) {
.bloc {
display:block;
clear:both;
}
}