body {
  -ms-transition: 200ms cubic-bezier(0.680, -0.550, 0.265, 1.550);
  -moz-transition: 200ms cubic-bezier(0.680, -0.550, 0.265, 1.550);
  -webkit-transition: 200ms cubic-bezier(0.680, -0.550, 0.265, 1.550);
  transition: 200ms cubic-bezier(0.680, -0.550, 0.265, 1.550);
}