weseek__growi/packages/core/scss/_rotate.scss

// refs: https://fastbootstrap.com/docs/rotate/
$rotate-degrees: [0, 1, 2, 3, 6, 12, 45, 90, 180];

.rotate-none {
  transform: none;
}

@each $degree in $rotate-degrees {
  .rotate-#{$degree} {
    transform: rotate(#{$degree}deg);
  }
  // negative rotation
  .-rotate-#{$degree} {
    transform: rotate(-#{$degree}deg);
  }
}