.col-sm {
  max-height: 80% !important;
}

.col-sm.vert {
  max-height: 60% !important;
}

body {
  transition: background 0.4s cubic-bezier(.86,0,.07,1), color 0.4s cubic-bezier(.86,0,.07,1);
}

nav {
  transition: background 0.4s cubic-bezier(.86,0,.07,1), color 0.4s cubic-bezier(.86,0,.07,1);
}