.tracked { letter-spacing: .1em; }
.tracked-tight { letter-spacing: -0.05em; }
.tracked-mega { letter-spacing: .25em; }
@media screen and (min-width: 30em) {
 .tracked-ns { letter-spacing: .1em; }
 .tracked-tight-ns { letter-spacing: -0.05em; }
 .tracked-mega-ns { letter-spacing: .25em; }
}
@media screen and (min-width: 30em) and (max-width: 60em) {
 .tracked-m { letter-spacing: .1em; }
 .tracked-tight-m { letter-spacing: -0.05em; }
 .tracked-mega-m { letter-spacing: .25em; }
}
@media screen and (max-width: 60em) and (orientation: landscape) {
 .tracked-ml { letter-spacing: .1em; }
 .tracked-tight-ml { letter-spacing: -0.05em; }
 .tracked-mega-ml { letter-spacing: .25em; }
}
@media screen and (min-width: 60em) {
 .tracked-l { letter-spacing: .1em; }
 .tracked-tight-l { letter-spacing: -0.05em; }
 .tracked-mega-l { letter-spacing: .25em; }
}