@media all and (max-width:1900px) {

}

@media all and (max-width:1440px) {


}

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

}

@media all and (max-width:1024px) {
.grWidth{width:100%; margin:0 auto;}
}

@media all and (max-width:920px) {

}

@media all and (max-width:768px) {


}

@media all and (max-width:640px) {


}

@media all and (max-width:480px) {


}