use of max width min width media qury code example
Example: media query min max
@media screen and (min-width: 200px) and (max-width: 640px) {
.bloc {
display:block;
clear:both;
}
}
@media screen and (min-width: 200px) and (max-width: 640px) {
.bloc {
display:block;
clear:both;
}
}