@media screen and (max-width: 1600px) {
    
}
@media screen and (max-width: 1200px) {
    
}
@media screen and (max-width: 992px) {    
    nav li {
        border: 1px solid transparent;
    }
}
@media screen and (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }
}
@media screen and (max-width: 576px) {
    
}
@media screen and (max-width: 376px) {
    
    
}