@media (min-width: 576px) {

}

@media (min-width: 768px) {

}

@media (min-width: 992px) {

}

@media (min-width: 1200px) {

}
@media screen and  (min-width: 1200px){

}
@media screen and  (max-width: 1200px){

}
@media screen and  (max-width: 992px){

}
@media screen and  (max-width: 576px){

}