@include respond-to-up($ntrn_breakpoint) {
  .ntrn--fadein .ntrn__sub--level1 {
    transition: all 600ms cubic-bezier(.25,.90,0,1);
  }
  .ntrn--fadeinup .ntrn__sub--level1 {
    transition: all 600ms cubic-bezier(.25,.90,0,1);
    transform: translateY(20px);
  }
  .ntrn--fadeindown .ntrn__sub--level1 {
    transition: all 600ms cubic-bezier(.25,.90,0,1);
    transform: translateY(-20px);
  }
  .ntrn--rotate .ntrn__sub--level1 {
    transition: all 600ms cubic-bezier(.25,.90,0,1);
    transform: perspective(4100px) rotateX(-40deg);
  }
  .ntrn--fadeinup .ntrn__sub--level1.ntrn__sub--active, .ntrn--fadeindown .ntrn__sub--level1.ntrn__sub--active {
    transform: translateY(0);
  }
  .ntrn--rotate .ntrn__sub--level1.ntrn__sub--active {
    transform: perspective(0px) rotateX(0deg);
  }
}
